61162970 has 16 divisors (see below), whose sum is σ = 120102048. Its totient is φ = 22241040.

The previous prime is 61162963. The next prime is 61162973. The reversal of 61162970 is 7926116.

It is a happy number.

It is not an unprimeable number, because it can be changed into a prime (61162973) 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, 277904 + ... + 278123.

It is an arithmetic number, because the mean of its divisors is an integer number (7506378).

Almost surely, 2^61162970 is an apocalyptic number.

61162970 is a deficient number, since it is larger than the sum of its proper divisors (58939078).

61162970 is a wasteful number, since it uses less digits than its factorization.

61162970 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 556045.

The product of its (nonzero) digits is 4536, while the sum is 32.

The square root of 61162970 is about 7820.6758020007. The cubic root of 61162970 is about 393.9999699382. Note that the first 4 decimals are identical.

The spelling of 61162970 in words is "sixty-one million, one hundred sixty-two thousand, nine hundred seventy".