61423704 has 32 divisors (see below), whose sum is σ = 170622000. Its totient is φ = 20474496.

The previous prime is 61423697. The next prime is 61423721. The reversal of 61423704 is 40732416.

It is a Harshad number since it is a multiple of its sum of digits (27).

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, 141969 + ... + 142400.

Almost surely, 2^61423704 is an apocalyptic number.

It is an amenable number.

61423704 is an abundant number, since it is smaller than the sum of its proper divisors (109198296).

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

61423704 is a wasteful number, since it uses less digits than its factorization.

61423704 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 284384 (or 284374 counting only the distinct ones).

The product of its (nonzero) digits is 4032, while the sum is 27.

The square root of 61423704 is about 7837.3276057595. The cubic root of 61423704 is about 394.5590421831.

The spelling of 61423704 in words is "sixty-one million, four hundred twenty-three thousand, seven hundred four".