74527945 has 8 divisors (see below), whose sum is σ = 89562240. Its totient is φ = 59536560.

The previous prime is 74527939. The next prime is 74527967. The reversal of 74527945 is 54972547.

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

It is not a de Polignac number, because 74527945 - 2⁹ = 74527433 is a prime.

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, 6771 + ... + 13960.

It is an arithmetic number, because the mean of its divisors is an integer number (11195280).

Almost surely, 2^74527945 is an apocalyptic number.

It is an amenable number.

74527945 is a deficient number, since it is larger than the sum of its proper divisors (15034295).

74527945 is a wasteful number, since it uses less digits than its factorization.

74527945 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 21455.

The product of its digits is 352800, while the sum is 43.

The square root of 74527945 is about 8632.9569094256. The cubic root of 74527945 is about 420.8296996277.

The spelling of 74527945 in words is "seventy-four million, five hundred twenty-seven thousand, nine hundred forty-five".