61626971 has 8 divisors (see below), whose sum is σ = 71089920. Its totient is φ = 52328808.

The previous prime is 61626967. The next prime is 61626973. The reversal of 61626971 is 17962616.

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

It is not a de Polignac number, because 61626971 - 2² = 61626967 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (61626973) 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, 40391 + ... + 41888.

It is an arithmetic number, because the mean of its divisors is an integer number (8886240).

Almost surely, 2^61626971 is an apocalyptic number.

61626971 is a deficient number, since it is larger than the sum of its proper divisors (9462949).

61626971 is a wasteful number, since it uses less digits than its factorization.

61626971 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 82393.

The product of its digits is 27216, while the sum is 38.

The square root of 61626971 is about 7850.2847719048. The cubic root of 61626971 is about 394.9937957686.

The spelling of 61626971 in words is "sixty-one million, six hundred twenty-six thousand, nine hundred seventy-one".