46721736 has 48 divisors (see below), whose sum is σ = 129489360. Its totient is φ = 15210720.

The previous prime is 46721683. The next prime is 46721737. The reversal of 46721736 is 63712764.

It is a super-2 number, since 2×46721736² = 4365841229707392, which contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (36).

It is a self number, because there is not a number n which added to its sum of digits gives 46721736.

It is not an unprimeable number, because it can be changed into a prime (46721737) 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, 4450 + ... + 10641.

It is an arithmetic number, because the mean of its divisors is an integer number (2697695).

Almost surely, 2^46721736 is an apocalyptic number.

It is an amenable number.

46721736 is an abundant number, since it is smaller than the sum of its proper divisors (82767624).

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

46721736 is a wasteful number, since it uses less digits than its factorization.

46721736 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 15146 (or 15139 counting only the distinct ones).

The product of its digits is 42336, while the sum is 36.

The square root of 46721736 is about 6835.3299847191. The cubic root of 46721736 is about 360.1689947305.

The spelling of 46721736 in words is "forty-six million, seven hundred twenty-one thousand, seven hundred thirty-six".