42613722 has 32 divisors (see below), whose sum is σ = 94924800. Its totient is φ = 14170464.

The previous prime is 42613721. The next prime is 42613741. The reversal of 42613722 is 22731624.

42613722 is a `hidden beast` number, since 42 + 613 + 7 + 2 + 2 = 666.

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

It is not an unprimeable number, because it can be changed into a prime (42613721) 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, 32679 + ... + 33957.

It is an arithmetic number, because the mean of its divisors is an integer number (2966400).

Almost surely, 2^42613722 is an apocalyptic number.

42613722 is an abundant number, since it is smaller than the sum of its proper divisors (52311078).

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

42613722 is a wasteful number, since it uses less digits than its factorization.

42613722 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1907 (or 1901 counting only the distinct ones).

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

The square root of 42613722 is about 6527.9186575814. The cubic root of 42613722 is about 349.2875903611.

The spelling of 42613722 in words is "forty-two million, six hundred thirteen thousand, seven hundred twenty-two".