74238115 has 16 divisors (see below), whose sum is σ = 105324480. Its totient is φ = 49150080.

The previous prime is 74238103. The next prime is 74238121. The reversal of 74238115 is 51183247.

It is not a de Polignac number, because 74238115 - 2⁵ = 74238083 is a prime.

It is a super-2 number, since 2×74238115² = 11022595437506450, which contains 22 as substring.

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, 35556 + ... + 37585.

It is an arithmetic number, because the mean of its divisors is an integer number (6582780).

Almost surely, 2^74238115 is an apocalyptic number.

74238115 is a deficient number, since it is larger than the sum of its proper divisors (31086365).

74238115 is a wasteful number, since it uses less digits than its factorization.

74238115 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 73182.

The product of its digits is 6720, while the sum is 31.

The square root of 74238115 is about 8616.1543045607. The cubic root of 74238115 is about 420.2834726525.

The spelling of 74238115 in words is "seventy-four million, two hundred thirty-eight thousand, one hundred fifteen".