61009464 has 32 divisors (see below), whose sum is σ = 161496720. Its totient is φ = 19140096.

The previous prime is 61009439. The next prime is 61009471. The reversal of 61009464 is 46490016.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 74359 + ... + 75174.

Almost surely, 2^61009464 is an apocalyptic number.

It is an amenable number.

61009464 is an abundant number, since it is smaller than the sum of its proper divisors (100487256).

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

61009464 is a wasteful number, since it uses less digits than its factorization.

61009464 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 149559 (or 149555 counting only the distinct ones).

The product of its (nonzero) digits is 5184, while the sum is 30.

The square root of 61009464 is about 7810.8555229245. The cubic root of 61009464 is about 393.6700751861.

The spelling of 61009464 in words is "sixty-one million, nine thousand, four hundred sixty-four".