74490765 has 8 divisors (see below), whose sum is σ = 119185248. Its totient is φ = 39728400.

The previous prime is 74490751. The next prime is 74490769. The reversal of 74490765 is 56709447.

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

It is not a de Polignac number, because 74490765 - 2⁶ = 74490701 is a prime.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (74490769) 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, 2483011 + ... + 2483040.

It is an arithmetic number, because the mean of its divisors is an integer number (14898156).

Almost surely, 2^74490765 is an apocalyptic number.

It is an amenable number.

74490765 is a deficient number, since it is larger than the sum of its proper divisors (44694483).

74490765 is a wasteful number, since it uses less digits than its factorization.

74490765 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4966059.

The product of its (nonzero) digits is 211680, while the sum is 42.

The square root of 74490765 is about 8630.8032650501. The cubic root of 74490765 is about 420.7597077572.

The spelling of 74490765 in words is "seventy-four million, four hundred ninety thousand, seven hundred sixty-five".