74670988 has 48 divisors (see below), whose sum is σ = 158932480. Its totient is φ = 29984256.

The previous prime is 74670979. The next prime is 74670989. The reversal of 74670988 is 88907647.

It is a super-2 number, since 2×74670988² = 11151512897792288, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (74670989) by changing a digit.

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 15 ways as a sum of consecutive naturals, for example, 50881 + ... + 52327.

Almost surely, 2^74670988 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 74670988, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (79466240).

74670988 is an abundant number, since it is smaller than the sum of its proper divisors (84261492).

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

74670988 is a wasteful number, since it uses less digits than its factorization.

74670988 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1574 (or 1572 counting only the distinct ones).

The product of its (nonzero) digits is 677376, while the sum is 49.

The square root of 74670988 is about 8641.2376428380. The cubic root of 74670988 is about 421.0987632273.

The spelling of 74670988 in words is "seventy-four million, six hundred seventy thousand, nine hundred eighty-eight".