61464650 has 24 divisors (see below), whose sum is σ = 123119724. Its totient is φ = 22694400.

The previous prime is 61464649. The next prime is 61464691. The reversal of 61464650 is 5646416.

It can be written as a sum of positive squares in 6 ways, for example, as 5678689 + 55785961 = 2383^2 + 7469^2 .

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 46631 + ... + 47930.

Almost surely, 2^61464650 is an apocalyptic number.

61464650 is an abundant number, since it is smaller than the sum of its proper divisors (61655074).

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

61464650 is a wasteful number, since it uses less digits than its factorization.

61464650 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 94586 (or 94581 counting only the distinct ones).

The product of its (nonzero) digits is 17280, while the sum is 32.

The square root of 61464650 is about 7839.9394130312. The cubic root of 61464650 is about 394.6466957813.

The spelling of 61464650 in words is "sixty-one million, four hundred sixty-four thousand, six hundred fifty".