407072046 has 16 divisors (see below), whose sum is σ = 814382208. Its totient is φ = 135651000.

The previous prime is 407072041. The next prime is 407072047. The reversal of 407072046 is 640270704.

It is a super-2 number, since 2×407072046² = 331415301269252232, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (407072041) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 18621 + ... + 34071.

It is an arithmetic number, because the mean of its divisors is an integer number (50898888).

Almost surely, 2^407072046 is an apocalyptic number.

407072046 is an abundant number, since it is smaller than the sum of its proper divisors (407310162).

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

407072046 is a wasteful number, since it uses less digits than its factorization.

407072046 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 19847.

The product of its (nonzero) digits is 9408, while the sum is 30.

The square root of 407072046 is about 20176.0265166360. The cubic root of 407072046 is about 741.1232309016.

The spelling of 407072046 in words is "four hundred seven million, seventy-two thousand, forty-six".