74320722 has 24 divisors (see below), whose sum is σ = 184032576. Its totient is φ = 21234456.

The previous prime is 74320717. The next prime is 74320739. The reversal of 74320722 is 22702347.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 294798 + ... + 295049.

It is an arithmetic number, because the mean of its divisors is an integer number (7668024).

Almost surely, 2^74320722 is an apocalyptic number.

74320722 is an abundant number, since it is smaller than the sum of its proper divisors (109711854).

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

74320722 is a wasteful number, since it uses less digits than its factorization.

74320722 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 589862 (or 589859 counting only the distinct ones).

The product of its (nonzero) digits is 4704, while the sum is 27.

The square root of 74320722 is about 8620.9466997540. The cubic root of 74320722 is about 420.4393022530.

The spelling of 74320722 in words is "seventy-four million, three hundred twenty thousand, seven hundred twenty-two".