74915401 has 8 divisors (see below), whose sum is σ = 82200384. Its totient is φ = 67709520.

The previous prime is 74915377. The next prime is 74915411. The reversal of 74915401 is 10451947.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 74915401 - 2¹⁹ = 74391113 is a prime.

It is a super-2 number, since 2×74915401² = 11224634613981602, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (74915411) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 17781 + ... + 21586.

It is an arithmetic number, because the mean of its divisors is an integer number (10275048).

Almost surely, 2^74915401 is an apocalyptic number.

It is an amenable number.

74915401 is a deficient number, since it is larger than the sum of its proper divisors (7284983).

74915401 is a wasteful number, since it uses less digits than its factorization.

74915401 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 39551.

The product of its (nonzero) digits is 5040, while the sum is 31.

The square root of 74915401 is about 8655.3683341612. The cubic root of 74915401 is about 421.5577095275.

The spelling of 74915401 in words is "seventy-four million, nine hundred fifteen thousand, four hundred one".