74892340 has 24 divisors (see below), whose sum is σ = 158028192. Its totient is φ = 29813280.

The previous prime is 74892331. The next prime is 74892341. The reversal of 74892340 is 4329847.

It is a happy number.

It is a hoax number, since the sum of its digits (37) coincides with the sum of the digits of its distinct prime factors.

It is a self number, because there is not a number n which added to its sum of digits gives 74892340.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (74892341) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 4654 + ... + 13093.

It is an arithmetic number, because the mean of its divisors is an integer number (6584508).

Almost surely, 2^74892340 is an apocalyptic number.

It is an amenable number.

74892340 is an abundant number, since it is smaller than the sum of its proper divisors (83135852).

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

74892340 is a wasteful number, since it uses less digits than its factorization.

74892340 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 17967 (or 17965 counting only the distinct ones).

The product of its (nonzero) digits is 48384, while the sum is 37.

The square root of 74892340 is about 8654.0360526173. The cubic root of 74892340 is about 421.5144494417.

The spelling of 74892340 in words is "seventy-four million, eight hundred ninety-two thousand, three hundred forty".