61764260 has 12 divisors (see below), whose sum is σ = 129704988. Its totient is φ = 24705696.

The previous prime is 61764221. The next prime is 61764293. The reversal of 61764260 is 6246716.

It can be written as a sum of positive squares in 2 ways, for example, as 23892544 + 37871716 = 4888^2 + 6154^2 .

It is a hoax number, since the sum of its digits (32) coincides with the sum of the digits of its distinct prime factors.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1544087 + ... + 1544126.

It is an arithmetic number, because the mean of its divisors is an integer number (10808749).

Almost surely, 2^61764260 is an apocalyptic number.

It is an amenable number.

61764260 is an abundant number, since it is smaller than the sum of its proper divisors (67940728).

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

61764260 is a wasteful number, since it uses less digits than its factorization.

61764260 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3088222 (or 3088220 counting only the distinct ones).

The product of its (nonzero) digits is 12096, while the sum is 32.

The square root of 61764260 is about 7859.0241124455. The cubic root of 61764260 is about 395.2868930019.

The spelling of 61764260 in words is "sixty-one million, seven hundred sixty-four thousand, two hundred sixty".