74709401 has 16 divisors (see below), whose sum is σ = 83349504. Its totient is φ = 66515904.

The previous prime is 74709391. The next prime is 74709413. The reversal of 74709401 is 10490747.

It is not a de Polignac number, because 74709401 - 2⁶ = 74709337 is a prime.

It is a Smith number, since the sum of its digits (32) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (74709491) 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, 60476 + ... + 61698.

It is an arithmetic number, because the mean of its divisors is an integer number (5209344).

Almost surely, 2^74709401 is an apocalyptic number.

It is an amenable number.

74709401 is a deficient number, since it is larger than the sum of its proper divisors (8640103).

74709401 is a wasteful number, since it uses less digits than its factorization.

74709401 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1400.

The product of its (nonzero) digits is 7056, while the sum is 32.

The square root of 74709401 is about 8643.4600132123. The cubic root of 74709401 is about 421.1709594679.

The spelling of 74709401 in words is "seventy-four million, seven hundred nine thousand, four hundred one".