74374140 has 24 divisors (see below), whose sum is σ = 208247760. Its totient is φ = 19833088.

The previous prime is 74374117. The next prime is 74374147. The reversal of 74374140 is 4147347.

It is a Harshad number since it is a multiple of its sum of digits (30).

It is a junction number, because it is equal to n+sod(n) for n = 74374098 and 74374107.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (74374147) 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, 619725 + ... + 619844.

It is an arithmetic number, because the mean of its divisors is an integer number (8676990).

Almost surely, 2^74374140 is an apocalyptic number.

It is an amenable number.

74374140 is an abundant number, since it is smaller than the sum of its proper divisors (133873620).

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

74374140 is a wasteful number, since it uses less digits than its factorization.

74374140 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1239581 (or 1239579 counting only the distinct ones).

The product of its (nonzero) digits is 9408, while the sum is 30.

The square root of 74374140 is about 8624.0442948770. The cubic root of 74374140 is about 420.5400083431.

The spelling of 74374140 in words is "seventy-four million, three hundred seventy-four thousand, one hundred forty".