670233537 has 6 divisors (see below), whose sum is σ = 968115122. Its totient is φ = 446822352.

The previous prime is 670233533. The next prime is 670233541. The reversal of 670233537 is 735332076.

It is a happy number.

It is an interprime number because it is at equal distance from previous prime (670233533) and next prime (670233541).

It can be written as a sum of positive squares in only one way, i.e., 648415296 + 21818241 = 25464^2 + 4671^2 .

It is not a de Polignac number, because 670233537 - 2² = 670233533 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (670233533) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 37235188 + ... + 37235205.

Almost surely, 2^670233537 is an apocalyptic number.

It is an amenable number.

670233537 is a deficient number, since it is larger than the sum of its proper divisors (297881585).

670233537 is a wasteful number, since it uses less digits than its factorization.

670233537 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 74470399 (or 74470396 counting only the distinct ones).

The product of its (nonzero) digits is 79380, while the sum is 36.

The square root of 670233537 is about 25888.8689787716. The cubic root of 670233537 is about 875.1356685418.

The spelling of 670233537 in words is "six hundred seventy million, two hundred thirty-three thousand, five hundred thirty-seven".