87332737 has 4 divisors (see below), whose sum is σ = 87486256. Its totient is φ = 87179220.

The previous prime is 87332701. The next prime is 87332743. The reversal of 87332737 is 73723378.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 87332737 - 2¹⁵ = 87299969 is a prime.

It is a super-2 number, since 2×87332737² = 15254013903822338, which contains 22 as substring.

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 87332737.

It is not an unprimeable number, because it can be changed into a prime (87335737) 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, 75903 + ... + 77044.

It is an arithmetic number, because the mean of its divisors is an integer number (21871564).

Almost surely, 2^87332737 is an apocalyptic number.

It is an amenable number.

87332737 is a deficient number, since it is larger than the sum of its proper divisors (153519).

87332737 is a wasteful number, since it uses less digits than its factorization.

87332737 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 153518.

The product of its digits is 148176, while the sum is 40.

The square root of 87332737 is about 9345.1986067713. The cubic root of 87332737 is about 443.6689375964.

The spelling of 87332737 in words is "eighty-seven million, three hundred thirty-two thousand, seven hundred thirty-seven".