61422947 has 8 divisors (see below), whose sum is σ = 61965552. Its totient is φ = 60883200.

The previous prime is 61422943. The next prime is 61422973. The reversal of 61422947 is 74922416.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 61422947 - 2² = 61422943 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (61422941) 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, 67268 + ... + 68174.

It is an arithmetic number, because the mean of its divisors is an integer number (7745694).

Almost surely, 2^61422947 is an apocalyptic number.

61422947 is a deficient number, since it is larger than the sum of its proper divisors (542605).

61422947 is a wasteful number, since it uses less digits than its factorization.

61422947 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1429.

The product of its digits is 24192, while the sum is 35.

The square root of 61422947 is about 7837.2793110875. The cubic root of 61422947 is about 394.5574212973.

The spelling of 61422947 in words is "sixty-one million, four hundred twenty-two thousand, nine hundred forty-seven".