61612798 has 32 divisors (see below), whose sum is σ = 102233376. Its totient is φ = 27675648.

The previous prime is 61612787. The next prime is 61612823. The reversal of 61612798 is 89721616.

It is a super-2 number, since 2×61612798² = 7592273754777608, which contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 61612798.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 196690 + ... + 197002.

It is an arithmetic number, because the mean of its divisors is an integer number (3194793).

Almost surely, 2^61612798 is an apocalyptic number.

61612798 is a deficient number, since it is larger than the sum of its proper divisors (40620578).

61612798 is a wasteful number, since it uses less digits than its factorization.

61612798 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 508.

The product of its digits is 36288, while the sum is 40.

The square root of 61612798 is about 7849.3820138913. The cubic root of 61612798 is about 394.9635131602.

It can be divided in two parts, 616127 and 98, that added together give a square (616225 = 785²).

The spelling of 61612798 in words is "sixty-one million, six hundred twelve thousand, seven hundred ninety-eight".