61628833 has 8 divisors (see below), whose sum is σ = 70866368. Its totient is φ = 52499664.

The previous prime is 61628821. The next prime is 61628839. The reversal of 61628833 is 33882616.

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

It is a de Polignac number, because none of the positive numbers 2^k-61628833 is a prime.

It is a super-2 number, since 2×61628833² = 7596226113883778, which contains 22 as substring.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 61628792 and 61628801.

It is not an unprimeable number, because it can be changed into a prime (61628839) 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, 25866 + ... + 28147.

It is an arithmetic number, because the mean of its divisors is an integer number (8858296).

Almost surely, 2^61628833 is an apocalyptic number.

It is an amenable number.

61628833 is a deficient number, since it is larger than the sum of its proper divisors (9237535).

61628833 is a wasteful number, since it uses less digits than its factorization.

61628833 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 54183.

The product of its digits is 41472, while the sum is 37.

The square root of 61628833 is about 7850.4033654329. The cubic root of 61628833 is about 394.9977738485.

The spelling of 61628833 in words is "sixty-one million, six hundred twenty-eight thousand, eight hundred thirty-three".