61370620 has 24 divisors (see below), whose sum is σ = 131065200. Its totient is φ = 24131712.

The previous prime is 61370609. The next prime is 61370623. The reversal of 61370620 is 2607316.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (61370623) 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, 24825 + ... + 27184.

It is an arithmetic number, because the mean of its divisors is an integer number (5461050).

Almost surely, 2^61370620 is an apocalyptic number.

It is an amenable number.

61370620 is an abundant number, since it is smaller than the sum of its proper divisors (69694580).

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

61370620 is a wasteful number, since it uses less digits than its factorization.

61370620 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 52077 (or 52075 counting only the distinct ones).

The product of its (nonzero) digits is 1512, while the sum is 25.

The square root of 61370620 is about 7833.9402601756. The cubic root of 61370620 is about 394.4453466149.

Adding to 61370620 its reverse (2607316), we get a palindrome (63977936).

The spelling of 61370620 in words is "sixty-one million, three hundred seventy thousand, six hundred twenty".