74086992 has 120 divisors (see below), whose sum is σ = 240716736. Its totient is φ = 20832768.

The previous prime is 74086963. The next prime is 74087033. The reversal of 74086992 is 29968047.

It is a happy number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 66988 + ... + 68084.

Almost surely, 2^74086992 is an apocalyptic number.

74086992 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 74086992, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (120358368).

74086992 is an abundant number, since it is smaller than the sum of its proper divisors (166629744).

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

74086992 is a wasteful number, since it uses less digits than its factorization.

74086992 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1185 (or 1176 counting only the distinct ones).

The product of its (nonzero) digits is 217728, while the sum is 45.

The square root of 74086992 is about 8607.3800892025. The cubic root of 74086992 is about 419.9980952295.

It can be divided in two parts, 74086 and 992, that added together give a triangular number (75078 = T₃₈₇).

The spelling of 74086992 in words is "seventy-four million, eighty-six thousand, nine hundred ninety-two".