76621265 has 16 divisors (see below), whose sum is σ = 107922432. Its totient is φ = 51119424.

The previous prime is 76621253. The next prime is 76621291. The reversal of 76621265 is 56212667.

It is a cyclic number.

It is not a de Polignac number, because 76621265 - 2⁸ = 76621009 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (35).

It is a Duffinian number.

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, 28289 + ... + 30878.

It is an arithmetic number, because the mean of its divisors is an integer number (6745152).

Almost surely, 2^76621265 is an apocalyptic number.

It is an amenable number.

76621265 is a deficient number, since it is larger than the sum of its proper divisors (31301167).

76621265 is a wasteful number, since it uses less digits than its factorization.

76621265 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 59216.

The product of its digits is 30240, while the sum is 35.

The square root of 76621265 is about 8753.3573558949. The cubic root of 76621265 is about 424.7334245246.

The spelling of 76621265 in words is "seventy-six million, six hundred twenty-one thousand, two hundred sixty-five".