74754545 has 8 divisors (see below), whose sum is σ = 89752320. Its totient is φ = 59772400.

The previous prime is 74754529. The next prime is 74754553. The reversal of 74754545 is 54545747.

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

It is not a de Polignac number, because 74754545 - 2⁴ = 74754529 is a prime.

It is a Curzon number.

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, 14570 + ... + 19020.

It is an arithmetic number, because the mean of its divisors is an integer number (11219040).

Almost surely, 2^74754545 is an apocalyptic number.

It is an amenable number.

74754545 is a deficient number, since it is larger than the sum of its proper divisors (14997775).

74754545 is a wasteful number, since it uses less digits than its factorization.

74754545 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7815.

The product of its digits is 392000, while the sum is 41.

The square root of 74754545 is about 8646.0710730366. The cubic root of 74754545 is about 421.2557748242.

The spelling of 74754545 in words is "seventy-four million, seven hundred fifty-four thousand, five hundred forty-five".