74696790 has 128 divisors (see below), whose sum is σ = 219018240. Its totient is φ = 15925248.

The previous prime is 74696789. The next prime is 74696833. The reversal of 74696790 is 9769647.

It is a super-2 number, since 2×74696790² = 11159220872608200, which contains 22 as substring.

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 63 ways as a sum of consecutive naturals, for example, 386934 + ... + 387126.

It is an arithmetic number, because the mean of its divisors is an integer number (1711080).

Almost surely, 2^74696790 is an apocalyptic number.

74696790 is a gapful number since it is divisible by the number (70) formed by its first and last digit.

It is a practical number, because each smaller number is the sum of distinct divisors of 74696790, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (109509120).

74696790 is an abundant number, since it is smaller than the sum of its proper divisors (144321450).

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

74696790 is a wasteful number, since it uses less digits than its factorization.

74696790 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 326.

The product of its (nonzero) digits is 571536, while the sum is 48.

The square root of 74696790 is about 8642.7304713268. The cubic root of 74696790 is about 421.1472601485.

The spelling of 74696790 in words is "seventy-four million, six hundred ninety-six thousand, seven hundred ninety".