61292463272 has 96 divisors (see below), whose sum is σ = 124003440000. Its totient is φ = 28392883200.

The previous prime is 61292463251. The next prime is 61292463283. The reversal of 61292463272 is 27236429216.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 46468229 + ... + 46469547.

It is an arithmetic number, because the mean of its divisors is an integer number (1291702500).

Almost surely, 2^61292463272 is an apocalyptic number.

It is an amenable number.

61292463272 is an abundant number, since it is smaller than the sum of its proper divisors (62710976728).

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

61292463272 is a wasteful number, since it uses less digits than its factorization.

61292463272 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1659 (or 1638 counting only the distinct ones).

The product of its digits is 435456, while the sum is 44.

The spelling of 61292463272 in words is "sixty-one billion, two hundred ninety-two million, four hundred sixty-three thousand, two hundred seventy-two".