61064037 has 20 divisors (see below), whose sum is σ = 91719936. Its totient is φ = 40485960.

The previous prime is 61064021. The next prime is 61064039. The reversal of 61064037 is 73046016.

61064037 is a `hidden beast` number, since 6 + 10 + 640 + 3 + 7 = 666.

It is not a de Polignac number, because 61064037 - 2⁴ = 61064021 is a prime.

It is a super-2 number, since 2×61064037² = 7457633229474738, which contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (27).

It is a self number, because there is not a number n which added to its sum of digits gives 61064037.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (61064039) by changing a digit.

It is a polite number, since it can be written in 19 ways as a sum of consecutive naturals, for example, 13498 + ... + 17444.

Almost surely, 2^61064037 is an apocalyptic number.

It is an amenable number.

61064037 is a deficient number, since it is larger than the sum of its proper divisors (30655899).

61064037 is a wasteful number, since it uses less digits than its factorization.

61064037 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4150 (or 4141 counting only the distinct ones).

The product of its (nonzero) digits is 3024, while the sum is 27.

The square root of 61064037 is about 7814.3481493980. The cubic root of 61064037 is about 393.7874195730.

The spelling of 61064037 in words is "sixty-one million, sixty-four thousand, thirty-seven".