34420972 has 18 divisors (see below), whose sum is σ = 62973428. Its totient is φ = 16461192.

The previous prime is 34420963. The next prime is 34420993. The reversal of 34420972 is 27902443.

It is an unprimeable number.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 6018 + ... + 10249.

Almost surely, 2^34420972 is an apocalyptic number.

It is an amenable number.

34420972 is a deficient number, since it is larger than the sum of its proper divisors (28552456).

34420972 is a wasteful number, since it uses less digits than its factorization.

34420972 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 16317 (or 16292 counting only the distinct ones).

The product of its (nonzero) digits is 12096, while the sum is 31.

The square root of 34420972 is about 5866.9388951991. The cubic root of 34420972 is about 325.2927445145.

It can be divided in two parts, 344 and 20972, that added together give a square (21316 = 146²).

The spelling of 34420972 in words is "thirty-four million, four hundred twenty thousand, nine hundred seventy-two".