32872457 has 4 divisors (see below), whose sum is σ = 34006020. Its totient is φ = 31738896.

The previous prime is 32872429. The next prime is 32872459. The reversal of 32872457 is 75427823.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 8231161 + 24641296 = 2869^2 + 4964^2 .

It is a cyclic number.

It is not a de Polignac number, because 32872457 - 2⁶ = 32872393 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 32872457.

It is not an unprimeable number, because it can be changed into a prime (32872459) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 566738 + ... + 566795.

It is an arithmetic number, because the mean of its divisors is an integer number (8501505).

Almost surely, 2^32872457 is an apocalyptic number.

It is an amenable number.

32872457 is a deficient number, since it is larger than the sum of its proper divisors (1133563).

32872457 is a wasteful number, since it uses less digits than its factorization.

32872457 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1133562.

The product of its digits is 94080, while the sum is 38.

The square root of 32872457 is about 5733.4507061629. The cubic root of 32872457 is about 320.3396686231.

The spelling of 32872457 in words is "thirty-two million, eight hundred seventy-two thousand, four hundred fifty-seven".