74976451 has 24 divisors (see below), whose sum is σ = 87782400. Its totient is φ = 63488880.

The previous prime is 74976437. The next prime is 74976457. The reversal of 74976451 is 15467947.

It is not a de Polignac number, because 74976451 - 2⁷ = 74976323 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 74976398 and 74976407.

It is not an unprimeable number, because it can be changed into a prime (74976457) by changing a digit.

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 23 ways as a sum of consecutive naturals, for example, 313590 + ... + 313828.

It is an arithmetic number, because the mean of its divisors is an integer number (3657600).

Almost surely, 2^74976451 is an apocalyptic number.

74976451 is a deficient number, since it is larger than the sum of its proper divisors (12805949).

74976451 is a wasteful number, since it uses less digits than its factorization.

74976451 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 367 (or 348 counting only the distinct ones).

The product of its digits is 211680, while the sum is 43.

The square root of 74976451 is about 8658.8943289545. The cubic root of 74976451 is about 421.6721902620.

The spelling of 74976451 in words is "seventy-four million, nine hundred seventy-six thousand, four hundred fifty-one".