401070072 has 32 divisors (see below), whose sum is σ = 1079804880. Its totient is φ = 123406080.

The previous prime is 401070049. The next prime is 401070083. The reversal of 401070072 is 270070104.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 642429 + ... + 643052.

Almost surely, 2^401070072 is an apocalyptic number.

It is an amenable number.

401070072 is an abundant number, since it is smaller than the sum of its proper divisors (678734808).

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

401070072 is a wasteful number, since it uses less digits than its factorization.

401070072 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1285503 (or 1285499 counting only the distinct ones).

The product of its (nonzero) digits is 392, while the sum is 21.

The square root of 401070072 is about 20026.7339324214. The cubic root of 401070072 is about 737.4627445319.

The spelling of 401070072 in words is "four hundred one million, seventy thousand, seventy-two".