61073408976 has 20 divisors (see below), whose sum is σ = 157772973312. Its totient is φ = 20357802976.

The previous prime is 61073408927. The next prime is 61073409011. The reversal of 61073408976 is 67980437016.

It is a super-2 number, since 2×61073408976² (a number of 22 digits) contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 636181296 + ... + 636181391.

Almost surely, 2^61073408976 is an apocalyptic number.

It is an amenable number.

61073408976 is an abundant number, since it is smaller than the sum of its proper divisors (96699564336).

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

61073408976 is a wasteful number, since it uses less digits than its factorization.

61073408976 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1272362698 (or 1272362692 counting only the distinct ones).

The product of its (nonzero) digits is 1524096, while the sum is 51.

The spelling of 61073408976 in words is "sixty-one billion, seventy-three million, four hundred eight thousand, nine hundred seventy-six".