61693612 has 12 divisors (see below), whose sum is σ = 114314760. Its totient is φ = 29032256.

The previous prime is 61693607. The next prime is 61693637. The reversal of 61693612 is 21639616.

It is a super-2 number, since 2×61693612² = 7612203523213088, which contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (34).

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 453562 + ... + 453697.

It is an arithmetic number, because the mean of its divisors is an integer number (9526230).

Almost surely, 2^61693612 is an apocalyptic number.

It is an amenable number.

61693612 is a deficient number, since it is larger than the sum of its proper divisors (52621148).

61693612 is a wasteful number, since it uses less digits than its factorization.

61693612 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 907280 (or 907278 counting only the distinct ones).

The product of its digits is 11664, while the sum is 34.

The square root of 61693612 is about 7854.5281207721. The cubic root of 61693612 is about 395.1361214347.

The spelling of 61693612 in words is "sixty-one million, six hundred ninety-three thousand, six hundred twelve".