76621004 has 12 divisors (see below), whose sum is σ = 139916784. Its totient is φ = 36644784.

The previous prime is 76621001. The next prime is 76621009. The reversal of 76621004 is 40012667.

It is not an unprimeable number, because it can be changed into a prime (76621001) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 416327 + ... + 416510.

It is an arithmetic number, because the mean of its divisors is an integer number (11659732).

Almost surely, 2^76621004 is an apocalyptic number.

It is an amenable number.

76621004 is a deficient number, since it is larger than the sum of its proper divisors (63295780).

76621004 is a wasteful number, since it uses less digits than its factorization.

76621004 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 832864 (or 832862 counting only the distinct ones).

The product of its (nonzero) digits is 2016, while the sum is 26.

The square root of 76621004 is about 8753.3424473169. The cubic root of 76621004 is about 424.7329422584.

The spelling of 76621004 in words is "seventy-six million, six hundred twenty-one thousand, four".