61654624 has 12 divisors (see below), whose sum is σ = 121382604. Its totient is φ = 30827296.

The previous prime is 61654603. The next prime is 61654633. The reversal of 61654624 is 42645616.

It is a hoax number, since the sum of its digits (34) coincides with the sum of the digits of its distinct prime factors.

It is a self number, because there is not a number n which added to its sum of digits gives 61654624.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 963322 + ... + 963385.

It is an arithmetic number, because the mean of its divisors is an integer number (10115217).

Almost surely, 2^61654624 is an apocalyptic number.

It is an amenable number.

61654624 is a deficient number, since it is larger than the sum of its proper divisors (59727980).

61654624 is a wasteful number, since it uses less digits than its factorization.

61654624 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1926717 (or 1926709 counting only the distinct ones).

The product of its digits is 34560, while the sum is 34.

The square root of 61654624 is about 7852.0458480577. The cubic root of 61654624 is about 395.0528669292.

The spelling of 61654624 in words is "sixty-one million, six hundred fifty-four thousand, six hundred twenty-four".