30772347 has 16 divisors (see below), whose sum is σ = 41842560. Its totient is φ = 20112192.

The previous prime is 30772331. The next prime is 30772351. The reversal of 30772347 is 74327703.

It is not a de Polignac number, because 30772347 - 2⁴ = 30772331 is a prime.

It is not an unprimeable number, because it can be changed into a prime (30772327) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 49404 + ... + 50022.

It is an arithmetic number, because the mean of its divisors is an integer number (2615160).

Almost surely, 2^30772347 is an apocalyptic number.

30772347 is a deficient number, since it is larger than the sum of its proper divisors (11070213).

30772347 is a wasteful number, since it uses less digits than its factorization.

30772347 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 922.

The product of its (nonzero) digits is 24696, while the sum is 33.

The square root of 30772347 is about 5547.2828483862. The cubic root of 30772347 is about 313.3672023396.

The spelling of 30772347 in words is "thirty million, seven hundred seventy-two thousand, three hundred forty-seven".