40697000 has 32 divisors (see below), whose sum is σ = 95233320. Its totient is φ = 16278400.

The previous prime is 40696991. The next prime is 40697011. The reversal of 40697000 is 79604.

It can be written as a sum of positive squares in 4 ways, for example, as 2033476 + 38663524 = 1426^2 + 6218^2 .

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, 19349 + ... + 21348.

Almost surely, 2^40697000 is an apocalyptic number.

40697000 is a gapful number since it is divisible by the number (40) formed by its first and last digit.

It is an amenable number.

40697000 is an abundant number, since it is smaller than the sum of its proper divisors (54536320).

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

40697000 is a wasteful number, since it uses less digits than its factorization.

40697000 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 40718 (or 40704 counting only the distinct ones).

The product of its (nonzero) digits is 1512, while the sum is 26.

The square root of 40697000 is about 6379.4200363356. The cubic root of 40697000 is about 343.9701840031.

The spelling of 40697000 in words is "forty million, six hundred ninety-seven thousand".