1613431072 has 48 divisors (see below), whose sum is σ = 3469604544. Its totient is φ = 732448000.

The previous prime is 1613431069. The next prime is 1613431073. The reversal of 1613431072 is 2701343161.

It is a self number, because there is not a number n which added to its sum of digits gives 1613431072.

It is not an unprimeable number, because it can be changed into a prime (1613431073) 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, 328797 + ... + 333667.

It is an arithmetic number, because the mean of its divisors is an integer number (72283428).

Almost surely, 2^1613431072 is an apocalyptic number.

It is an amenable number.

1613431072 is an abundant number, since it is smaller than the sum of its proper divisors (1856173472).

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

1613431072 is a wasteful number, since it uses less digits than its factorization.

1613431072 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5833 (or 5825 counting only the distinct ones).

The product of its (nonzero) digits is 3024, while the sum is 28.

The square root of 1613431072 is about 40167.5375396601. The cubic root of 1613431072 is about 1172.8707046110.

The spelling of 1613431072 in words is "one billion, six hundred thirteen million, four hundred thirty-one thousand, seventy-two".