40736730 has 32 divisors (see below), whose sum is σ = 98481600. Its totient is φ = 10783872.

The previous prime is 40736723. The next prime is 40736753. The reversal of 40736730 is 3763704.

It is a Harshad number since it is a multiple of its sum of digits (30).

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 715 + ... + 9054.

It is an arithmetic number, because the mean of its divisors is an integer number (3077550).

Almost surely, 2^40736730 is an apocalyptic number.

40736730 is an abundant number, since it is smaller than the sum of its proper divisors (57744870).

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

40736730 is a wasteful number, since it uses less digits than its factorization.

40736730 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 9918.

The product of its (nonzero) digits is 10584, while the sum is 30.

The square root of 40736730 is about 6382.5331961534. The cubic root of 40736730 is about 344.0820799721.

The spelling of 40736730 in words is "forty million, seven hundred thirty-six thousand, seven hundred thirty".