740478 has 16 divisors (see below), whose sum is σ = 1491840. Its totient is φ = 245016.

The previous prime is 740477. The next prime is 740483. The reversal of 740478 is 874047.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (740473) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 633 + ... + 1371.

It is an arithmetic number, because the mean of its divisors is an integer number (93240).

2⁷⁴⁰⁴⁷⁸ is an apocalyptic number.

740478 is an abundant number, since it is smaller than the sum of its proper divisors (751362).

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

740478 is a wasteful number, since it uses less digits than its factorization.

740478 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 911.

The product of its (nonzero) digits is 6272, while the sum is 30.

The square root of 740478 is about 860.5103137093. The cubic root of 740478 is about 90.4698881333.

The spelling of 740478 in words is "seven hundred forty thousand, four hundred seventy-eight".