61976934 has 64 divisors (see below), whose sum is σ = 147026880. Its totient is φ = 19284480.

The previous prime is 61976921. The next prime is 61976947. The reversal of 61976934 is 43967916.

It is an interprime number because it is at equal distance from previous prime (61976921) and next prime (61976947).

It is a super-2 number, since 2×61976934² = 7682280696080712, 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 61976934.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 165972 + ... + 166344.

It is an arithmetic number, because the mean of its divisors is an integer number (2297295).

Almost surely, 2^61976934 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 61976934, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (73513440).

61976934 is an abundant number, since it is smaller than the sum of its proper divisors (85049946).

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

61976934 is a wasteful number, since it uses less digits than its factorization.

61976934 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 582 (or 576 counting only the distinct ones).

The product of its digits is 244944, while the sum is 45.

The square root of 61976934 is about 7872.5430452936. The cubic root of 61976934 is about 395.7400727683.

It can be divided in two parts, 6197 and 6934, that added together give a palindrome (13131).

The spelling of 61976934 in words is "sixty-one million, nine hundred seventy-six thousand, nine hundred thirty-four".