61607902 has 4 divisors (see below), whose sum is σ = 92411856. Its totient is φ = 30803950.

The previous prime is 61607893. The next prime is 61607911. The reversal of 61607902 is 20970616.

It is a semiprime because it is the product of two primes.

It is an interprime number because it is at equal distance from previous prime (61607893) and next prime (61607911).

It is a Smith number, since the sum of its digits (31) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 15401974 + ... + 15401977.

It is an arithmetic number, because the mean of its divisors is an integer number (23102964).

Almost surely, 2^61607902 is an apocalyptic number.

61607902 is a deficient number, since it is larger than the sum of its proper divisors (30803954).

61607902 is a wasteful number, since it uses less digits than its factorization.

61607902 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 30803953.

The product of its (nonzero) digits is 4536, while the sum is 31.

The square root of 61607902 is about 7849.0701360097. The cubic root of 61607902 is about 394.9530510882.

The spelling of 61607902 in words is "sixty-one million, six hundred seven thousand, nine hundred two".