61924641 has 8 divisors (see below), whose sum is σ = 82740480. Its totient is φ = 41195952.

The previous prime is 61924633. The next prime is 61924649. The reversal of 61924641 is 14642916.

It is an interprime number because it is at equal distance from previous prime (61924633) and next prime (61924649).

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 61924641 - 2³ = 61924633 is a prime.

It is a super-2 number, since 2×61924641² = 7669322325957762, which contains 22 as substring.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (61924649) 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, 20110 + ... + 22983.

It is an arithmetic number, because the mean of its divisors is an integer number (10342560).

Almost surely, 2^61924641 is an apocalyptic number.

It is an amenable number.

61924641 is a deficient number, since it is larger than the sum of its proper divisors (20815839).

61924641 is a wasteful number, since it uses less digits than its factorization.

61924641 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 43575.

The product of its digits is 10368, while the sum is 33.

The square root of 61924641 is about 7869.2211177473. The cubic root of 61924641 is about 395.6287396356.

The spelling of 61924641 in words is "sixty-one million, nine hundred twenty-four thousand, six hundred forty-one".