61960770 has 24 divisors (see below), whose sum is σ = 161098236. Its totient is φ = 16522848.

The previous prime is 61960757. The next prime is 61960771. The reversal of 61960770 is 7706916.

It can be written as a sum of positive squares in 2 ways, for example, as 59861169 + 2099601 = 7737^2 + 1449^2 .

It is not an unprimeable number, because it can be changed into a prime (61960771) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 344137 + ... + 344316.

Almost surely, 2^61960770 is an apocalyptic number.

61960770 is an abundant number, since it is smaller than the sum of its proper divisors (99137466).

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

61960770 is a wasteful number, since it uses less digits than its factorization.

61960770 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 688466 (or 688463 counting only the distinct ones).

The product of its (nonzero) digits is 15876, while the sum is 36.

The square root of 61960770 is about 7871.5163723389. The cubic root of 61960770 is about 395.7056658887.

The spelling of 61960770 in words is "sixty-one million, nine hundred sixty thousand, seven hundred seventy".