74697400 has 24 divisors (see below), whose sum is σ = 173671920. Its totient is φ = 29878880.

The previous prime is 74697377. The next prime is 74697401. The reversal of 74697400 is 479647.

It is a self number, because there is not a number n which added to its sum of digits gives 74697400.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (74697401) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 186544 + ... + 186943.

It is an arithmetic number, because the mean of its divisors is an integer number (7236330).

Almost surely, 2^74697400 is an apocalyptic number.

It is an amenable number.

74697400 is an abundant number, since it is smaller than the sum of its proper divisors (98974520).

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

74697400 is a wasteful number, since it uses less digits than its factorization.

74697400 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 373503 (or 373494 counting only the distinct ones).

The product of its (nonzero) digits is 42336, while the sum is 37.

The square root of 74697400 is about 8642.7657610281. The cubic root of 74697400 is about 421.1484065571.

The spelling of 74697400 in words is "seventy-four million, six hundred ninety-seven thousand, four hundred".