74707340 has 24 divisors (see below), whose sum is σ = 160535760. Its totient is φ = 29187648.

The previous prime is 74707331. The next prime is 74707361. The reversal of 74707340 is 4370747.

It is a happy number.

It is a junction number, because it is equal to n+sod(n) for n = 74707297 and 74707306.

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, 42575 + ... + 44294.

It is an arithmetic number, because the mean of its divisors is an integer number (6688990).

Almost surely, 2^74707340 is an apocalyptic number.

It is an amenable number.

74707340 is an abundant number, since it is smaller than the sum of its proper divisors (85828420).

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

74707340 is a wasteful number, since it uses less digits than its factorization.

74707340 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 86921 (or 86919 counting only the distinct ones).

The product of its (nonzero) digits is 16464, while the sum is 32.

The square root of 74707340 is about 8643.3407893013. The cubic root of 74707340 is about 421.1670865000.

The spelling of 74707340 in words is "seventy-four million, seven hundred seven thousand, three hundred forty".