74820895 has 16 divisors (see below), whose sum is σ = 91863072. Its totient is φ = 58481280.

The previous prime is 74820881. The next prime is 74820923. The reversal of 74820895 is 59802847.

It is a de Polignac number, because none of the positive numbers 2^k-74820895 is a prime.

It is a Duffinian number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 87289 + ... + 88141.

It is an arithmetic number, because the mean of its divisors is an integer number (5741442).

Almost surely, 2^74820895 is an apocalyptic number.

74820895 is a deficient number, since it is larger than the sum of its proper divisors (17042177).

74820895 is a wasteful number, since it uses less digits than its factorization.

74820895 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1242.

The product of its (nonzero) digits is 161280, while the sum is 43.

The square root of 74820895 is about 8649.9072249360. The cubic root of 74820895 is about 421.3803695024.

The spelling of 74820895 in words is "seventy-four million, eight hundred twenty thousand, eight hundred ninety-five".