61677372 has 48 divisors (see below), whose sum is σ = 150649632. Its totient is φ = 19618560.

The previous prime is 61677359. The next prime is 61677373. The reversal of 61677372 is 27377616.

It is a self number, because there is not a number n which added to its sum of digits gives 61677372.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (61677373) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 22222 + ... + 24842.

It is an arithmetic number, because the mean of its divisors is an integer number (3138534).

Almost surely, 2^61677372 is an apocalyptic number.

It is an amenable number.

61677372 is an abundant number, since it is smaller than the sum of its proper divisors (88972260).

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

61677372 is a wasteful number, since it uses less digits than its factorization.

61677372 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2718 (or 2716 counting only the distinct ones).

The product of its digits is 74088, while the sum is 39.

The square root of 61677372 is about 7853.4942541521. The cubic root of 61677372 is about 395.1014469979.

The spelling of 61677372 in words is "sixty-one million, six hundred seventy-seven thousand, three hundred seventy-two".