61486672 has 40 divisors (see below), whose sum is σ = 128769536. Its totient is φ = 28273536.

The previous prime is 61486657. The next prime is 61486687. The reversal of 61486672 is 27668416.

It is an interprime number because it is at equal distance from previous prime (61486657) and next prime (61486687).

It is a super-2 number, since 2×61486672² = 7561221667271168, which 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 7 ways as a sum of consecutive naturals, for example, 100993 + ... + 101599.

Almost surely, 2^61486672 is an apocalyptic number.

It is an amenable number.

61486672 is an abundant number, since it is smaller than the sum of its proper divisors (67282864).

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

61486672 is a wasteful number, since it uses less digits than its factorization.

61486672 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1115 (or 1109 counting only the distinct ones).

The product of its digits is 96768, while the sum is 40.

The square root of 61486672 is about 7841.3437623917. The cubic root of 61486672 is about 394.6938224456.

The spelling of 61486672 in words is "sixty-one million, four hundred eighty-six thousand, six hundred seventy-two".