7402770 has 48 divisors (see below), whose sum is σ = 19498752. Its totient is φ = 1948320.

The previous prime is 7402741. The next prime is 7402771. The reversal of 7402770 is 772047.

It is a happy number.

It is not an unprimeable number, because it can be changed into a prime (7402771) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 6975 + ... + 7965.

It is an arithmetic number, because the mean of its divisors is an integer number (406224).

Almost surely, 2^7402770 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 7402770, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (9749376).

7402770 is an abundant number, since it is smaller than the sum of its proper divisors (12095982).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

7402770 is a wasteful number, since it uses less digits than its factorization.

7402770 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1087 (or 1084 counting only the distinct ones).

The product of its (nonzero) digits is 2744, while the sum is 27.

The square root of 7402770 is about 2720.8031902363. The cubic root of 7402770 is about 194.8938278042.

The spelling of 7402770 in words is "seven million, four hundred two thousand, seven hundred seventy".