74971036 has 36 divisors (see below), whose sum is σ = 158270448. Its totient is φ = 30435264.

The previous prime is 74971031. The next prime is 74971049. The reversal of 74971036 is 63017947.

It is a junction number, because it is equal to n+sod(n) for n = 74970986 and 74971004.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (74971031) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 6400 + ... + 13816.

Almost surely, 2^74971036 is an apocalyptic number.

74971036 is a gapful number since it is divisible by the number (76) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 74971036, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (79135224).

74971036 is an abundant number, since it is smaller than the sum of its proper divisors (83299412).

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

74971036 is a wasteful number, since it uses less digits than its factorization.

74971036 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7466 (or 7445 counting only the distinct ones).

The product of its (nonzero) digits is 31752, while the sum is 37.

The square root of 74971036 is about 8658.5816390446. The cubic root of 74971036 is about 421.6620385861.

The spelling of 74971036 in words is "seventy-four million, nine hundred seventy-one thousand, thirty-six".