74255340 has 24 divisors (see below), whose sum is σ = 207915120. Its totient is φ = 19801408.

The previous prime is 74255309. The next prime is 74255359. The reversal of 74255340 is 4355247.

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 = 74255298 and 74255307.

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, 618735 + ... + 618854.

It is an arithmetic number, because the mean of its divisors is an integer number (8663130).

Almost surely, 2^74255340 is an apocalyptic number.

It is an amenable number.

74255340 is an abundant number, since it is smaller than the sum of its proper divisors (133659780).

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

74255340 is a wasteful number, since it uses less digits than its factorization.

74255340 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1237601 (or 1237599 counting only the distinct ones).

The product of its (nonzero) digits is 16800, while the sum is 30.

The square root of 74255340 is about 8617.1538224637. The cubic root of 74255340 is about 420.3159753770.

The spelling of 74255340 in words is "seventy-four million, two hundred fifty-five thousand, three hundred forty".