61627992 has 32 divisors (see below), whose sum is σ = 163134000. Its totient is φ = 19334144.

The previous prime is 61627981. The next prime is 61628011. The reversal of 61627992 is 29972616.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 75117 + ... + 75932.

Almost surely, 2^61627992 is an apocalyptic number.

It is an amenable number.

61627992 is an abundant number, since it is smaller than the sum of its proper divisors (101506008).

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

61627992 is a wasteful number, since it uses less digits than its factorization.

61627992 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 151075 (or 151071 counting only the distinct ones).

The product of its digits is 81648, while the sum is 42.

The square root of 61627992 is about 7850.3498011235. The cubic root of 61627992 is about 394.9959770994.

The spelling of 61627992 in words is "sixty-one million, six hundred twenty-seven thousand, nine hundred ninety-two".