76402730 has 32 divisors (see below), whose sum is σ = 141523200. Its totient is φ = 29682880.

The previous prime is 76402727. The next prime is 76402751. The reversal of 76402730 is 3720467.

It is a junction number, because it is equal to n+sod(n) for n = 76402693 and 76402702.

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 15 ways as a sum of consecutive naturals, for example, 69485 + ... + 70575.

It is an arithmetic number, because the mean of its divisors is an integer number (4422600).

Almost surely, 2^76402730 is an apocalyptic number.

76402730 is a deficient number, since it is larger than the sum of its proper divisors (65120470).

76402730 is a wasteful number, since it uses less digits than its factorization.

76402730 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1294.

The product of its (nonzero) digits is 7056, while the sum is 29.

The square root of 76402730 is about 8740.8655177848. The cubic root of 76402730 is about 424.3292395003.

The spelling of 76402730 in words is "seventy-six million, four hundred two thousand, seven hundred thirty".