40739670 has 48 divisors (see below), whose sum is σ = 110534112. Its totient is φ = 10391040.

The previous prime is 40739659. The next prime is 40739681. The reversal of 40739670 is 7693704.

It is an interprime number because it is at equal distance from previous prime (40739659) and next prime (40739681).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 7771 + ... + 11910.

It is an arithmetic number, because the mean of its divisors is an integer number (2302794).

Almost surely, 2^40739670 is an apocalyptic number.

40739670 is an abundant number, since it is smaller than the sum of its proper divisors (69794442).

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

40739670 is a wasteful number, since it uses less digits than its factorization.

40739670 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 19717 (or 19714 counting only the distinct ones).

The product of its (nonzero) digits is 31752, while the sum is 36.

The square root of 40739670 is about 6382.7635080739. The cubic root of 40739670 is about 344.0903573259.

The spelling of 40739670 in words is "forty million, seven hundred thirty-nine thousand, six hundred seventy".