74942712 has 96 divisors (see below), whose sum is σ = 225529200. Its totient is φ = 23048064.

The previous prime is 74942683. The next prime is 74942713. The reversal of 74942712 is 21724947.

It is a Harshad number since it is a multiple of its sum of digits (36).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (74942713) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 35478 + ... + 37530.

Almost surely, 2^74942712 is an apocalyptic number.

74942712 is a gapful number since it is divisible by the number (72) 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 74942712, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (112764600).

74942712 is an abundant number, since it is smaller than the sum of its proper divisors (150586488).

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

74942712 is a wasteful number, since it uses less digits than its factorization.

74942712 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2094 (or 2071 counting only the distinct ones).

The product of its digits is 28224, while the sum is 36.

The square root of 74942712 is about 8656.9458817761. The cubic root of 74942712 is about 421.6089306991.

The spelling of 74942712 in words is "seventy-four million, nine hundred forty-two thousand, seven hundred twelve".