76561337 has 4 divisors (see below), whose sum is σ = 76581120. Its totient is φ = 76541556.

The previous prime is 76561327. The next prime is 76561357. The reversal of 76561337 is 73316567.

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 76561337 - 2²² = 72367033 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 76561337.

It is not an unprimeable number, because it can be changed into a prime (76561327) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1973 + ... + 12530.

It is an arithmetic number, because the mean of its divisors is an integer number (19145280).

Almost surely, 2^76561337 is an apocalyptic number.

It is an amenable number.

76561337 is a deficient number, since it is larger than the sum of its proper divisors (19783).

76561337 is a wasteful number, since it uses less digits than its factorization.

76561337 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 19782.

The product of its digits is 79380, while the sum is 38.

The square root of 76561337 is about 8749.9335426048. The cubic root of 76561337 is about 424.6226630037.

The spelling of 76561337 in words is "seventy-six million, five hundred sixty-one thousand, three hundred thirty-seven".