61970570 has 16 divisors (see below), whose sum is σ = 112653288. Its totient is φ = 24542400.

The previous prime is 61970567. The next prime is 61970603. The reversal of 61970570 is 7507916.

It can be written as a sum of positive squares in 4 ways, for example, as 61293241 + 677329 = 7829^2 + 823^2 .

It is a super-2 number, since 2×61970570² = 7680703092249800, which contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 61970570.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 29669 + ... + 31688.

Almost surely, 2^61970570 is an apocalyptic number.

61970570 is a deficient number, since it is larger than the sum of its proper divisors (50682718).

61970570 is a wasteful number, since it uses less digits than its factorization.

61970570 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 61465.

The product of its (nonzero) digits is 13230, while the sum is 35.

The square root of 61970570 is about 7872.1388453202. The cubic root of 61970570 is about 395.7265269975.

The spelling of 61970570 in words is "sixty-one million, nine hundred seventy thousand, five hundred seventy".