61341387472 has 20 divisors (see below), whose sum is σ = 118852832416. Its totient is φ = 30669688800.

The previous prime is 61341387449. The next prime is 61341387473. The reversal of 61341387472 is 27478314316.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (61341387473) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 799597 + ... + 872947.

Almost surely, 2^61341387472 is an apocalyptic number.

It is an amenable number.

61341387472 is a deficient number, since it is larger than the sum of its proper divisors (57511444944).

61341387472 is a wasteful number, since it uses less digits than its factorization.

61341387472 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 125626 (or 125620 counting only the distinct ones).

The product of its digits is 677376, while the sum is 46.

The spelling of 61341387472 in words is "sixty-one billion, three hundred forty-one million, three hundred eighty-seven thousand, four hundred seventy-two".