74870436 has 24 divisors (see below), whose sum is σ = 178416000. Its totient is φ = 24425632.

The previous prime is 74870429. The next prime is 74870443. The reversal of 74870436 is 63407847.

It is a happy number.

It is an interprime number because it is at equal distance from previous prime (74870429) and next prime (74870443).

It is a junction number, because it is equal to n+sod(n) for n = 74870394 and 74870403.

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, 65811 + ... + 66938.

It is an arithmetic number, because the mean of its divisors is an integer number (7434000).

Almost surely, 2^74870436 is an apocalyptic number.

It is an amenable number.

74870436 is an abundant number, since it is smaller than the sum of its proper divisors (103545564).

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

74870436 is a wasteful number, since it uses less digits than its factorization.

74870436 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 132803 (or 132801 counting only the distinct ones).

The product of its (nonzero) digits is 112896, while the sum is 39.

The square root of 74870436 is about 8652.7704233962. The cubic root of 74870436 is about 421.4733515459.

The spelling of 74870436 in words is "seventy-four million, eight hundred seventy thousand, four hundred thirty-six".