61894722 has 16 divisors (see below), whose sum is σ = 131071392. Its totient is φ = 19417920.

The previous prime is 61894711. The next prime is 61894741. The reversal of 61894722 is 22749816.

It is a super-2 number, since 2×61894722² = 7661913222914568, which contains 22 as substring.

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, 303304 + ... + 303507.

It is an arithmetic number, because the mean of its divisors is an integer number (8191962).

Almost surely, 2^61894722 is an apocalyptic number.

61894722 is an abundant number, since it is smaller than the sum of its proper divisors (69176670).

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

61894722 is a wasteful number, since it uses less digits than its factorization.

61894722 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 606833.

The product of its digits is 48384, while the sum is 39.

The square root of 61894722 is about 7867.3198740105. The cubic root of 61894722 is about 395.5650131291.

The spelling of 61894722 in words is "sixty-one million, eight hundred ninety-four thousand, seven hundred twenty-two".