74742054 has 16 divisors (see below), whose sum is σ = 154306560. Its totient is φ = 24110280.

The previous prime is 74742049. The next prime is 74742061. The reversal of 74742054 is 45024747.

It is a super-2 number, since 2×74742054² = 11172749272277832, which contains 22 as substring.

It is a Curzon number.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 200734 + ... + 201105.

It is an arithmetic number, because the mean of its divisors is an integer number (9644160).

Almost surely, 2^74742054 is an apocalyptic number.

74742054 is an abundant number, since it is smaller than the sum of its proper divisors (79564506).

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

74742054 is a wasteful number, since it uses less digits than its factorization.

74742054 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 401875.

The product of its (nonzero) digits is 31360, while the sum is 33.

The square root of 74742054 is about 8645.3486916376. The cubic root of 74742054 is about 421.2323104806.

The spelling of 74742054 in words is "seventy-four million, seven hundred forty-two thousand, fifty-four".