61693602 has 16 divisors (see below), whose sum is σ = 126397152. Its totient is φ = 20062880.

The previous prime is 61693591. The next prime is 61693607. The reversal of 61693602 is 20639616.

It is a happy number.

It is a super-2 number, since 2×61693602² = 7612201055468808, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (61693607) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 125148 + ... + 125639.

It is an arithmetic number, because the mean of its divisors is an integer number (7899822).

Almost surely, 2^61693602 is an apocalyptic number.

61693602 is an abundant number, since it is smaller than the sum of its proper divisors (64703550).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

61693602 is a wasteful number, since it uses less digits than its factorization.

61693602 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 250833.

The product of its (nonzero) digits is 11664, while the sum is 33.

The square root of 61693602 is about 7854.5274841966. The cubic root of 61693602 is about 395.1361000853.

The spelling of 61693602 in words is "sixty-one million, six hundred ninety-three thousand, six hundred two".