32957540 has 48 divisors (see below), whose sum is σ = 86292864. Its totient is φ = 10272000.

The previous prime is 32957537. The next prime is 32957569. The reversal of 32957540 is 4575923.

It is a Harshad number since it is a multiple of its sum of digits (35).

It is a self number, because there is not a number n which added to its sum of digits gives 32957540.

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, 9161 + ... + 12240.

It is an arithmetic number, because the mean of its divisors is an integer number (1797768).

Almost surely, 2^32957540 is an apocalyptic number.

It is an amenable number.

32957540 is an abundant number, since it is smaller than the sum of its proper divisors (53335324).

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

32957540 is a wasteful number, since it uses less digits than its factorization.

32957540 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 21428 (or 21426 counting only the distinct ones).

The product of its (nonzero) digits is 37800, while the sum is 35.

The square root of 32957540 is about 5740.8657883633. The cubic root of 32957540 is about 320.6158063727.

The spelling of 32957540 in words is "thirty-two million, nine hundred fifty-seven thousand, five hundred forty".