61875907 has 10 divisors (see below), whose sum is σ = 64892740. Its totient is φ = 58986180.

The previous prime is 61875901. The next prime is 61875917. The reversal of 61875907 is 70957816.

It is not a de Polignac number, because 61875907 - 2¹¹ = 61873859 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (61875901) by changing a digit.

It is a polite number, since it can be written in 9 ways as a sum of consecutive naturals, for example, 923488 + ... + 923554.

It is an arithmetic number, because the mean of its divisors is an integer number (6489274).

Almost surely, 2^61875907 is an apocalyptic number.

61875907 is a gapful number since it is divisible by the number (67) formed by its first and last digit.

61875907 is a deficient number, since it is larger than the sum of its proper divisors (3016833).

61875907 is an frugal number, since it uses more digits than its factorization.

61875907 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 191 (or 98 counting only the distinct ones).

The product of its (nonzero) digits is 105840, while the sum is 43.

The square root of 61875907 is about 7866.1240137694. The cubic root of 61875907 is about 395.5249272664.

The spelling of 61875907 in words is "sixty-one million, eight hundred seventy-five thousand, nine hundred seven".