74396020 has 96 divisors (see below), whose sum is σ = 175190400. Its totient is φ = 26417664.

The previous prime is 74395999. The next prime is 74396033. The reversal of 74396020 is 2069347.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 473782 + ... + 473938.

It is an arithmetic number, because the mean of its divisors is an integer number (1824900).

Almost surely, 2^74396020 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 74396020, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (87595200).

74396020 is an abundant number, since it is smaller than the sum of its proper divisors (100794380).

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

74396020 is a wasteful number, since it uses less digits than its factorization.

74396020 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 257 (or 255 counting only the distinct ones).

The product of its (nonzero) digits is 9072, while the sum is 31.

The square root of 74396020 is about 8625.3127479530. The cubic root of 74396020 is about 420.5812436130.

The spelling of 74396020 in words is "seventy-four million, three hundred ninety-six thousand, twenty".