30772650 has 24 divisors (see below), whose sum is σ = 76316544. Its totient is φ = 8206000.

The previous prime is 30772627. The next prime is 30772663. The reversal of 30772650 is 5627703.

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

It is a Curzon number.

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, 102426 + ... + 102725.

It is an arithmetic number, because the mean of its divisors is an integer number (3179856).

Almost surely, 2^30772650 is an apocalyptic number.

30772650 is a gapful number since it is divisible by the number (30) formed by its first and last digit.

30772650 is an abundant number, since it is smaller than the sum of its proper divisors (45543894).

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

30772650 is a wasteful number, since it uses less digits than its factorization.

30772650 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 205166 (or 205161 counting only the distinct ones).

The product of its (nonzero) digits is 8820, while the sum is 30.

The square root of 30772650 is about 5547.3101589870. The cubic root of 30772650 is about 313.3682308599.

The spelling of 30772650 in words is "thirty million, seven hundred seventy-two thousand, six hundred fifty".