61828907 has 8 divisors (see below), whose sum is σ = 74380800. Its totient is φ = 50206824.

The previous prime is 61828889. The next prime is 61828909. The reversal of 61828907 is 70982816.

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

It is a cyclic number.

It is not a de Polignac number, because 61828907 - 2⁸ = 61828651 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (61828909) 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, 232307 + ... + 232572.

It is an arithmetic number, because the mean of its divisors is an integer number (9297600).

Almost surely, 2^61828907 is an apocalyptic number.

61828907 is a deficient number, since it is larger than the sum of its proper divisors (12551893).

61828907 is a wasteful number, since it uses less digits than its factorization.

61828907 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 464905.

The product of its (nonzero) digits is 48384, while the sum is 41.

The square root of 61828907 is about 7863.1359520232. The cubic root of 61828907 is about 395.4247569886.

The spelling of 61828907 in words is "sixty-one million, eight hundred twenty-eight thousand, nine hundred seven".