74257465 has 8 divisors (see below), whose sum is σ = 89942400. Its totient is φ = 58850352.

The previous prime is 74257457. The next prime is 74257471. The reversal of 74257465 is 56475247.

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 74257465 - 2³ = 74257457 is a prime.

It is a super-2 number, since 2×74257465² = 11028342216452450, which contains 22 as substring.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 68865 + ... + 69934.

It is an arithmetic number, because the mean of its divisors is an integer number (11242800).

Almost surely, 2^74257465 is an apocalyptic number.

It is an amenable number.

74257465 is a deficient number, since it is larger than the sum of its proper divisors (15684935).

74257465 is a wasteful number, since it uses less digits than its factorization.

74257465 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 138911.

The product of its digits is 235200, while the sum is 40.

The square root of 74257465 is about 8617.2771221541. The cubic root of 74257465 is about 420.3199847987.

The spelling of 74257465 in words is "seventy-four million, two hundred fifty-seven thousand, four hundred sixty-five".