34640540 has 24 divisors (see below), whose sum is σ = 79358832. Its totient is φ = 12596480.

The previous prime is 34640539. The next prime is 34640561. The reversal of 34640540 is 4504643.

It is a super-2 number, since 2×34640540² = 2399934022983200, 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, 78509 + ... + 78948.

It is an arithmetic number, because the mean of its divisors is an integer number (3306618).

Almost surely, 2^34640540 is an apocalyptic number.

It is an amenable number.

34640540 is an abundant number, since it is smaller than the sum of its proper divisors (44718292).

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

34640540 is a wasteful number, since it uses less digits than its factorization.

34640540 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 157477 (or 157475 counting only the distinct ones).

The product of its (nonzero) digits is 5760, while the sum is 26.

The square root of 34640540 is about 5885.6214625135. The cubic root of 34640540 is about 325.9829491628.

The spelling of 34640540 in words is "thirty-four million, six hundred forty thousand, five hundred forty".