61470764 has 12 divisors (see below), whose sum is σ = 110481504. Its totient is φ = 29904624.

The previous prime is 61470763. The next prime is 61470781. The reversal of 61470764 is 46707416.

It is a happy number.

It is not an unprimeable number, because it can be changed into a prime (61470763) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 207524 + ... + 207819.

It is an arithmetic number, because the mean of its divisors is an integer number (9206792).

Almost surely, 2^61470764 is an apocalyptic number.

It is an amenable number.

61470764 is a deficient number, since it is larger than the sum of its proper divisors (49010740).

61470764 is a wasteful number, since it uses less digits than its factorization.

61470764 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 415384 (or 415382 counting only the distinct ones).

The product of its (nonzero) digits is 28224, while the sum is 35.

The square root of 61470764 is about 7840.3293298177. The cubic root of 61470764 is about 394.6597807545.

The spelling of 61470764 in words is "sixty-one million, four hundred seventy thousand, seven hundred sixty-four".