30772336 has 40 divisors (see below), whose sum is σ = 70344704. Its totient is φ = 12761280.

The previous prime is 30772331. The next prime is 30772351. The reversal of 30772336 is 63327703.

It is a Harshad number since it is a multiple of its sum of digits (31).

It is a junction number, because it is equal to n+sod(n) for n = 30772298 and 30772307.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (30772331) 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, 960 + ... + 7903.

Almost surely, 2^30772336 is an apocalyptic number.

It is an amenable number.

30772336 is an abundant number, since it is smaller than the sum of its proper divisors (39572368).

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

30772336 is a wasteful number, since it uses less digits than its factorization.

30772336 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 8909 (or 8903 counting only the distinct ones).

The product of its (nonzero) digits is 15876, while the sum is 31.

The square root of 30772336 is about 5547.2818569097. The cubic root of 30772336 is about 313.3671650004.

The spelling of 30772336 in words is "thirty million, seven hundred seventy-two thousand, three hundred thirty-six".