61425970 has 16 divisors (see below), whose sum is σ = 111180888. Its totient is φ = 24433920.

The previous prime is 61425967. The next prime is 61425983. The reversal of 61425970 is 7952416.

It can be written as a sum of positive squares in 4 ways, for example, as 49322529 + 12103441 = 7023^2 + 3479^2 .

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, 15159 + ... + 18778.

Almost surely, 2^61425970 is an apocalyptic number.

61425970 is a deficient number, since it is larger than the sum of its proper divisors (49754918).

61425970 is a wasteful number, since it uses less digits than its factorization.

61425970 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 34125.

The product of its (nonzero) digits is 15120, while the sum is 34.

The square root of 61425970 is about 7837.4721690096. The cubic root of 61425970 is about 394.5638940548.

The spelling of 61425970 in words is "sixty-one million, four hundred twenty-five thousand, nine hundred seventy".