61570475 has 12 divisors (see below), whose sum is σ = 77064264. Its totient is φ = 48793920.

The previous prime is 61570441. The next prime is 61570477. The reversal of 61570475 is 57407516.

It is not a de Polignac number, because 61570475 - 2¹⁶ = 61504939 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (61570477) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 8834 + ... + 14183.

It is an arithmetic number, because the mean of its divisors is an integer number (6422022).

Almost surely, 2^61570475 is an apocalyptic number.

61570475 is a deficient number, since it is larger than the sum of its proper divisors (15493789).

61570475 is a wasteful number, since it uses less digits than its factorization.

61570475 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 23134 (or 23129 counting only the distinct ones).

The product of its (nonzero) digits is 29400, while the sum is 35.

The square root of 61570475 is about 7846.6856060377. The cubic root of 61570475 is about 394.8730564678.

The spelling of 61570475 in words is "sixty-one million, five hundred seventy thousand, four hundred seventy-five".