61692972 has 24 divisors (see below), whose sum is σ = 157036992. Its totient is φ = 18694800.

The previous prime is 61692959. The next prime is 61692989. The reversal of 61692972 is 27929616.

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, 233554 + ... + 233817.

It is an arithmetic number, because the mean of its divisors is an integer number (6543208).

Almost surely, 2^61692972 is an apocalyptic number.

It is an amenable number.

61692972 is an abundant number, since it is smaller than the sum of its proper divisors (95344020).

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

61692972 is a wasteful number, since it uses less digits than its factorization.

61692972 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 467389 (or 467387 counting only the distinct ones).

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

The square root of 61692972 is about 7854.4873798358. The cubic root of 61692972 is about 395.1347550696.

The spelling of 61692972 in words is "sixty-one million, six hundred ninety-two thousand, nine hundred seventy-two".