74297426 has 12 divisors (see below), whose sum is σ = 129641598. Its totient is φ = 31841712.

The previous prime is 74297417. The next prime is 74297471. The reversal of 74297426 is 62479247.

It can be written as a sum of positive squares in only one way, i.e., 69739201 + 4558225 = 8351^2 + 2135^2 .

It is an unprimeable number.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 378971 + ... + 379166.

Almost surely, 2^74297426 is an apocalyptic number.

74297426 is a deficient number, since it is larger than the sum of its proper divisors (55344172).

74297426 is a wasteful number, since it uses less digits than its factorization.

74297426 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 758153 (or 758146 counting only the distinct ones).

The product of its digits is 169344, while the sum is 41.

The square root of 74297426 is about 8619.5954661457. The cubic root of 74297426 is about 420.3953684425.

The spelling of 74297426 in words is "seventy-four million, two hundred ninety-seven thousand, four hundred twenty-six".