40739000 has 32 divisors (see below), whose sum is σ = 95331600. Its totient is φ = 16295200.

The previous prime is 40738909. The next prime is 40739029. The reversal of 40739000 is 93704.

It is a super-2 number, since 2×40739000² = 3319332242000000, which contains 22 as substring.

It is a congruent number.

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, 19370 + ... + 21369.

Almost surely, 2^40739000 is an apocalyptic number.

40739000 is a gapful number since it is divisible by the number (40) formed by its first and last digit.

It is an amenable number.

40739000 is an abundant number, since it is smaller than the sum of its proper divisors (54592600).

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

40739000 is a wasteful number, since it uses less digits than its factorization.

40739000 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 40760 (or 40746 counting only the distinct ones).

The product of its (nonzero) digits is 756, while the sum is 23.

The square root of 40739000 is about 6382.7110227551. The cubic root of 40739000 is about 344.0884710252.

The spelling of 40739000 in words is "forty million, seven hundred thirty-nine thousand".