74966401 has 16 divisors (see below), whose sum is σ = 79318528. Its totient is φ = 70761600.

The previous prime is 74966393. The next prime is 74966429. The reversal of 74966401 is 10466947.

It is a cyclic number.

It is not a de Polignac number, because 74966401 - 2³ = 74966393 is a prime.

It is a super-2 number, since 2×74966401² = 11239922557785602, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (74966431) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 355186 + ... + 355396.

It is an arithmetic number, because the mean of its divisors is an integer number (4957408).

Almost surely, 2^74966401 is an apocalyptic number.

It is an amenable number.

74966401 is a deficient number, since it is larger than the sum of its proper divisors (4352127).

74966401 is a wasteful number, since it uses less digits than its factorization.

74966401 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 472.

The product of its (nonzero) digits is 36288, while the sum is 37.

The square root of 74966401 is about 8658.3139813707. The cubic root of 74966401 is about 421.6533488133.

The spelling of 74966401 in words is "seventy-four million, nine hundred sixty-six thousand, four hundred one".