74634746 has 4 divisors (see below), whose sum is σ = 111952122. Its totient is φ = 37317372.

The previous prime is 74634739. The next prime is 74634757. The reversal of 74634746 is 64743647.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 64743647 = 457 ⋅141671.

It can be written as a sum of positive squares in only one way, i.e., 41744521 + 32890225 = 6461^2 + 5735^2 .

It is a Curzon number.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 18658685 + ... + 18658688.

Almost surely, 2^74634746 is an apocalyptic number.

74634746 is a deficient number, since it is larger than the sum of its proper divisors (37317376).

74634746 is a wasteful number, since it uses less digits than its factorization.

74634746 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 37317375.

The product of its digits is 338688, while the sum is 41.

The square root of 74634746 is about 8639.1403507525. The cubic root of 74634746 is about 421.0306246212.

The spelling of 74634746 in words is "seventy-four million, six hundred thirty-four thousand, seven hundred forty-six".