730284072 has 32 divisors (see below), whose sum is σ = 2086526400. Its totient is φ = 208652544.

The previous prime is 730284013. The next prime is 730284091. The reversal of 730284072 is 270482037.

It is a super-4 number, since 4×730284072⁴ (a number of 37 digits) contains 4444 as substring.

It is an unprimeable number.

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 7 ways as a sum of consecutive naturals, for example, 2173297 + ... + 2173632.

It is an arithmetic number, because the mean of its divisors is an integer number (65203950).

Almost surely, 2^730284072 is an apocalyptic number.

It is an amenable number.

730284072 is an abundant number, since it is smaller than the sum of its proper divisors (1356242328).

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

730284072 is a wasteful number, since it uses less digits than its factorization.

730284072 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4346945 (or 4346941 counting only the distinct ones).

The product of its (nonzero) digits is 18816, while the sum is 33.

The square root of 730284072 is about 27023.7686490985. The cubic root of 730284072 is about 900.5281147361.

The spelling of 730284072 in words is "seven hundred thirty million, two hundred eighty-four thousand, seventy-two".