61474631472 has 60 divisors (see below), whose sum is σ = 179523752304. Its totient is φ = 19600606080.

The previous prime is 61474631467. The next prime is 61474631473. The reversal of 61474631472 is 27413647416.

61474631472 is a `hidden beast` number, since 6 + 1 + 4 + 7 + 4 + 631 + 4 + 7 + 2 = 666.

It is not an unprimeable number, because it can be changed into a prime (61474631473) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 9277279 + ... + 9283902.

Almost surely, 2^61474631472 is an apocalyptic number.

It is an amenable number.

61474631472 is an abundant number, since it is smaller than the sum of its proper divisors (118049120832).

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

61474631472 is a wasteful number, since it uses less digits than its factorization.

61474631472 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 18561218 (or 18561209 counting only the distinct ones).

The product of its digits is 677376, while the sum is 45.

The spelling of 61474631472 in words is "sixty-one billion, four hundred seventy-four million, six hundred thirty-one thousand, four hundred seventy-two".