74806456 has 8 divisors (see below), whose sum is σ = 140262120. Its totient is φ = 37403224.

The previous prime is 74806453. The next prime is 74806471. The reversal of 74806456 is 65460847.

It is a tau number, because it is divible by the number of its divisors (8).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (74806451) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 4675396 + ... + 4675411.

It is an arithmetic number, because the mean of its divisors is an integer number (17532765).

Almost surely, 2^74806456 is an apocalyptic number.

It is an amenable number.

74806456 is a deficient number, since it is larger than the sum of its proper divisors (65455664).

74806456 is a wasteful number, since it uses less digits than its factorization.

74806456 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 9350813 (or 9350809 counting only the distinct ones).

The product of its (nonzero) digits is 161280, while the sum is 40.

The square root of 74806456 is about 8649.0725514358. The cubic root of 74806456 is about 421.3532616444.

The spelling of 74806456 in words is "seventy-four million, eight hundred six thousand, four hundred fifty-six".