61340264 has 64 divisors (see below), whose sum is σ = 126282240. Its totient is φ = 27850240.

The previous prime is 61340219. The next prime is 61340273. The reversal of 61340264 is 46204316.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 354482 + ... + 354654.

It is an arithmetic number, because the mean of its divisors is an integer number (1973160).

Almost surely, 2^61340264 is an apocalyptic number.

It is an amenable number.

61340264 is an abundant number, since it is smaller than the sum of its proper divisors (64941976).

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

61340264 is a wasteful number, since it uses less digits than its factorization.

61340264 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 290 (or 286 counting only the distinct ones).

The product of its (nonzero) digits is 3456, while the sum is 26.

The square root of 61340264 is about 7832.0025536257. The cubic root of 61340264 is about 394.3803005191.

The spelling of 61340264 in words is "sixty-one million, three hundred forty thousand, two hundred sixty-four".