74938146 has 24 divisors (see below), whose sum is σ = 155233104. Its totient is φ = 24116400.

The previous prime is 74938139. The next prime is 74938151. The reversal of 74938146 is 64183947.

It is a junction number, because it is equal to n+sod(n) for n = 74938098 and 74938107.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 2380 + ... + 12471.

It is an arithmetic number, because the mean of its divisors is an integer number (6468046).

Almost surely, 2^74938146 is an apocalyptic number.

74938146 is an abundant number, since it is smaller than the sum of its proper divisors (80294958).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

74938146 is a wasteful number, since it uses less digits than its factorization.

74938146 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 14914 (or 14885 counting only the distinct ones).

The product of its digits is 145152, while the sum is 42.

The square root of 74938146 is about 8656.6821588874. The cubic root of 74938146 is about 421.6003681343.

The spelling of 74938146 in words is "seventy-four million, nine hundred thirty-eight thousand, one hundred forty-six".