61478875 has 16 divisors (see below), whose sum is σ = 76950432. Its totient is φ = 49039200.

The previous prime is 61478849. The next prime is 61478881. The reversal of 61478875 is 57887416.

It is not a de Polignac number, because 61478875 - 2⁵ = 61478843 is a prime.

It is a Duffinian number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 69184 + ... + 70066.

It is an arithmetic number, because the mean of its divisors is an integer number (4809402).

Almost surely, 2^61478875 is an apocalyptic number.

61478875 is a deficient number, since it is larger than the sum of its proper divisors (15471557).

61478875 is an equidigital number, since it uses as much as digits as its factorization.

61478875 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1455 (or 1445 counting only the distinct ones).

The product of its digits is 376320, while the sum is 46.

The square root of 61478875 is about 7840.8465741908. The cubic root of 61478875 is about 394.6771382997.

The spelling of 61478875 in words is "sixty-one million, four hundred seventy-eight thousand, eight hundred seventy-five".