74456436 has 12 divisors (see below), whose sum is σ = 173731712. Its totient is φ = 24818808.

The previous prime is 74456429. The next prime is 74456453. The reversal of 74456436 is 63465447.

It is a happy number.

It is a tau number, because it is divible by the number of its divisors (12).

It is a junction number, because it is equal to n+sod(n) for n = 74456394 and 74456403.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 3102340 + ... + 3102363.

Almost surely, 2^74456436 is an apocalyptic number.

It is an amenable number.

74456436 is an abundant number, since it is smaller than the sum of its proper divisors (99275276).

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

74456436 is a wasteful number, since it uses less digits than its factorization.

74456436 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6204710 (or 6204708 counting only the distinct ones).

The product of its digits is 241920, while the sum is 39.

The square root of 74456436 is about 8628.8142870269. The cubic root of 74456436 is about 420.6950622518.

The spelling of 74456436 in words is "seventy-four million, four hundred fifty-six thousand, four hundred thirty-six".