74398070 has 16 divisors (see below), whose sum is σ = 135103680. Its totient is φ = 29495424.

The previous prime is 74398057. The next prime is 74398099. The reversal of 74398070 is 7089347.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 31790 + ... + 34049.

It is an arithmetic number, because the mean of its divisors is an integer number (8443980).

Almost surely, 2^74398070 is an apocalyptic number.

74398070 is a deficient number, since it is larger than the sum of its proper divisors (60705610).

74398070 is a wasteful number, since it uses less digits than its factorization.

74398070 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 65959.

The product of its (nonzero) digits is 42336, while the sum is 38.

The square root of 74398070 is about 8625.4315834050. The cubic root of 74398070 is about 420.5851066496.

The spelling of 74398070 in words is "seventy-four million, three hundred ninety-eight thousand, seventy".