30725412 has 36 divisors (see below), whose sum is σ = 72697968. Its totient is φ = 10100000.

The previous prime is 30725411. The next prime is 30725419. The reversal of 30725412 is 21452703.

It is an alternating number because its digits alternate between odd and even.

It is not an unprimeable number, because it can be changed into a prime (30725411) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 122287 + ... + 122537.

It is an arithmetic number, because the mean of its divisors is an integer number (2019388).

Almost surely, 2^30725412 is an apocalyptic number.

It is an amenable number.

30725412 is an abundant number, since it is smaller than the sum of its proper divisors (41972556).

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

30725412 is a wasteful number, since it uses less digits than its factorization.

30725412 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 460 (or 357 counting only the distinct ones).

The product of its (nonzero) digits is 1680, while the sum is 24.

The square root of 30725412 is about 5543.0507845409. The cubic root of 30725412 is about 313.2078019355.

The spelling of 30725412 in words is "thirty million, seven hundred twenty-five thousand, four hundred twelve".