74619930 has 64 divisors (see below), whose sum is σ = 223285248. Its totient is φ = 15504960.

The previous prime is 74619901. The next prime is 74619931. The reversal of 74619930 is 3991647.

It is not an unprimeable number, because it can be changed into a prime (74619931) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 13842 + ... + 18461.

It is an arithmetic number, because the mean of its divisors is an integer number (3488832).

Almost surely, 2^74619930 is an apocalyptic number.

74619930 is a gapful number since it is divisible by the number (70) formed by its first and last digit.

74619930 is an abundant number, since it is smaller than the sum of its proper divisors (148665318).

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

74619930 is a wasteful number, since it uses less digits than its factorization.

74619930 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 32331.

The product of its (nonzero) digits is 40824, while the sum is 39.

The square root of 74619930 is about 8638.2828154674. The cubic root of 74619930 is about 421.0027626985.

It can be divided in two parts, 7461 and 9930, that added together give a triangular number (17391 = T₁₈₆).

The spelling of 74619930 in words is "seventy-four million, six hundred nineteen thousand, nine hundred thirty".