61576940 has 24 divisors (see below), whose sum is σ = 129466512. Its totient is φ = 24601280.

The previous prime is 61576939. The next prime is 61576969. The reversal of 61576940 is 4967516.

It is a junction number, because it is equal to n+sod(n) for n = 61576894 and 61576903.

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, 24335 + ... + 26745.

It is an arithmetic number, because the mean of its divisors is an integer number (5394438).

Almost surely, 2^61576940 is an apocalyptic number.

It is an amenable number.

61576940 is an abundant number, since it is smaller than the sum of its proper divisors (67889572).

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

61576940 is a wasteful number, since it uses less digits than its factorization.

61576940 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3697 (or 3695 counting only the distinct ones).

The product of its (nonzero) digits is 45360, while the sum is 38.

The square root of 61576940 is about 7847.0975525987. The cubic root of 61576940 is about 394.8868767551.

The spelling of 61576940 in words is "sixty-one million, five hundred seventy-six thousand, nine hundred forty".