61624722 has 32 divisors (see below), whose sum is σ = 126774144. Its totient is φ = 19958400.

The previous prime is 61624709. The next prime is 61624723. The reversal of 61624722 is 22742616.

It is a self number, because there is not a number n which added to its sum of digits gives 61624722.

It is not an unprimeable number, because it can be changed into a prime (61624723) 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, 97347 + ... + 97977.

It is an arithmetic number, because the mean of its divisors is an integer number (3961692).

Almost surely, 2^61624722 is an apocalyptic number.

61624722 is an abundant number, since it is smaller than the sum of its proper divisors (65149422).

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

61624722 is a wasteful number, since it uses less digits than its factorization.

61624722 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1074.

The product of its digits is 8064, while the sum is 30.

The square root of 61624722 is about 7850.1415273866. The cubic root of 61624722 is about 394.9889907736.

The spelling of 61624722 in words is "sixty-one million, six hundred twenty-four thousand, seven hundred twenty-two".