61437432 has 32 divisors (see below), whose sum is σ = 175536000. Its totient is φ = 17553504.

The previous prime is 61437421. The next prime is 61437433. The reversal of 61437432 is 23473416.

It is a nude number because it is divisible by every one of its digits.

It is a self number, because there is not a number n which added to its sum of digits gives 61437432.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (61437433) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 182682 + ... + 183017.

It is an arithmetic number, because the mean of its divisors is an integer number (5485500).

Almost surely, 2^61437432 is an apocalyptic number.

It is an amenable number.

61437432 is an abundant number, since it is smaller than the sum of its proper divisors (114098568).

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

61437432 is a wasteful number, since it uses less digits than its factorization.

61437432 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 365715 (or 365711 counting only the distinct ones).

The product of its digits is 12096, while the sum is 30.

The square root of 61437432 is about 7838.2033655679. The cubic root of 61437432 is about 394.5884342185.

The spelling of 61437432 in words is "sixty-one million, four hundred thirty-seven thousand, four hundred thirty-two".