61370624 has 72 divisors (see below), whose sum is σ = 146186880. Its totient is φ = 25141248.

The previous prime is 61370623. The next prime is 61370651. The reversal of 61370624 is 42607316.

It is not an unprimeable number, because it can be changed into a prime (61370623) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 40472 + ... + 41960.

Almost surely, 2^61370624 is an apocalyptic number.

61370624 is a gapful number since it is divisible by the number (64) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 61370624, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (73093440).

61370624 is an abundant number, since it is smaller than the sum of its proper divisors (84816256).

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

61370624 is a wasteful number, since it uses less digits than its factorization.

61370624 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1535 (or 1521 counting only the distinct ones).

The product of its (nonzero) digits is 6048, while the sum is 29.

The square root of 61370624 is about 7833.9405154750. The cubic root of 61370624 is about 394.4453551846.

The spelling of 61370624 in words is "sixty-one million, three hundred seventy thousand, six hundred twenty-four".