61796620 has 24 divisors (see below), whose sum is σ = 130712400. Its totient is φ = 24539712.

The previous prime is 61796611. The next prime is 61796629. The reversal of 61796620 is 2669716.

It is an interprime number because it is at equal distance from previous prime (61796611) and next prime (61796629).

It is a super-3 number, since 3×61796620³ (a number of 24 digits) contains 333 as substring.

It is a hoax number, since the sum of its digits (37) coincides with the sum of the digits of its distinct prime factors.

It is a self number, because there is not a number n which added to its sum of digits gives 61796620.

It is not an unprimeable number, because it can be changed into a prime (61796629) 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, 8335 + ... + 13894.

It is an arithmetic number, because the mean of its divisors is an integer number (5446350).

Almost surely, 2^61796620 is an apocalyptic number.

It is an amenable number.

61796620 is an abundant number, since it is smaller than the sum of its proper divisors (68915780).

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

61796620 is a wasteful number, since it uses less digits than its factorization.

61796620 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 22377 (or 22375 counting only the distinct ones).

The product of its (nonzero) digits is 27216, while the sum is 37.

The square root of 61796620 is about 7861.0826226417. The cubic root of 61796620 is about 395.3559148525.

The spelling of 61796620 in words is "sixty-one million, seven hundred ninety-six thousand, six hundred twenty".