61022970 has 40 divisors (see below), whose sum is σ = 164086164. Its totient is φ = 16272576.

The previous prime is 61022959. The next prime is 61022993. The reversal of 61022970 is 7922016.

It can be written as a sum of positive squares in 2 ways, for example, as 60886809 + 136161 = 7803^2 + 369^2 .

It is a Harshad number since it is a multiple of its sum of digits (27).

It is an unprimeable number.

It is a polite number, since it can be written in 19 ways as a sum of consecutive naturals, for example, 36859 + ... + 38478.

Almost surely, 2^61022970 is an apocalyptic number.

61022970 is an abundant number, since it is smaller than the sum of its proper divisors (103063194).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

61022970 is a wasteful number, since it uses less digits than its factorization.

61022970 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 75356 (or 75347 counting only the distinct ones).

The product of its (nonzero) digits is 1512, while the sum is 27.

The square root of 61022970 is about 7811.7200410665. The cubic root of 61022970 is about 393.6991226780.

Adding to 61022970 its reverse (7922016), we get a palindrome (68944986).

The spelling of 61022970 in words is "sixty-one million, twenty-two thousand, nine hundred seventy".