61475870 has 16 divisors (see below), whose sum is σ = 113647968. Its totient is φ = 23925600.

The previous prime is 61475857. The next prime is 61475879. The reversal of 61475870 is 7857416.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (61475879) 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, 82706 + ... + 83445.

It is an arithmetic number, because the mean of its divisors is an integer number (7102998).

Almost surely, 2^61475870 is an apocalyptic number.

61475870 is a deficient number, since it is larger than the sum of its proper divisors (52172098).

61475870 is a wasteful number, since it uses less digits than its factorization.

61475870 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 166195.

The product of its (nonzero) digits is 47040, while the sum is 38.

The square root of 61475870 is about 7840.6549471329. The cubic root of 61475870 is about 394.6707077758.

The spelling of 61475870 in words is "sixty-one million, four hundred seventy-five thousand, eight hundred seventy".