74627420 has 24 divisors (see below), whose sum is σ = 179106144. Its totient is φ = 25586496.

The previous prime is 74627419. The next prime is 74627453. The reversal of 74627420 is 2472647.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 266387 + ... + 266666.

It is an arithmetic number, because the mean of its divisors is an integer number (7462756).

Almost surely, 2^74627420 is an apocalyptic number.

74627420 is a gapful number since it is divisible by the number (70) formed by its first and last digit.

It is an amenable number.

74627420 is an abundant number, since it is smaller than the sum of its proper divisors (104478724).

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

74627420 is a wasteful number, since it uses less digits than its factorization.

74627420 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 533069 (or 533067 counting only the distinct ones).

The product of its (nonzero) digits is 18816, while the sum is 32.

The square root of 74627420 is about 8638.7163398273. The cubic root of 74627420 is about 421.0168483242.

The spelling of 74627420 in words is "seventy-four million, six hundred twenty-seven thousand, four hundred twenty".