74736870 has 48 divisors (see below), whose sum is σ = 194240592. Its totient is φ = 18395520.

The previous prime is 74736853. The next prime is 74736887. The reversal of 74736870 is 7863747.

It is an interprime number because it is at equal distance from previous prime (74736853) and next prime (74736887).

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 2301 + ... + 12440.

It is an arithmetic number, because the mean of its divisors is an integer number (4046679).

Almost surely, 2^74736870 is an apocalyptic number.

74736870 is an abundant number, since it is smaller than the sum of its proper divisors (119503722).

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

74736870 is a wasteful number, since it uses less digits than its factorization.

74736870 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 14777 (or 14764 counting only the distinct ones).

The product of its (nonzero) digits is 197568, while the sum is 42.

The square root of 74736870 is about 8645.0488720423. The cubic root of 74736870 is about 421.2225715689. Note that the first 3 decimals are identical.

The spelling of 74736870 in words is "seventy-four million, seven hundred thirty-six thousand, eight hundred seventy".