61469724 has 12 divisors (see below), whose sum is σ = 143429384. Its totient is φ = 20489904.

The previous prime is 61469677. The next prime is 61469743. The reversal of 61469724 is 42796416.

It is a happy number.

It is a tau number, because it is divible by the number of its divisors (12).

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, 2561227 + ... + 2561250.

Almost surely, 2^61469724 is an apocalyptic number.

It is an amenable number.

61469724 is an abundant number, since it is smaller than the sum of its proper divisors (81959660).

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

61469724 is a wasteful number, since it uses less digits than its factorization.

61469724 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5122484 (or 5122482 counting only the distinct ones).

The product of its digits is 72576, while the sum is 39.

The square root of 61469724 is about 7840.2630057926. The cubic root of 61469724 is about 394.6575550434.

The spelling of 61469724 in words is "sixty-one million, four hundred sixty-nine thousand, seven hundred twenty-four".