61914447 has 12 divisors (see below), whose sum is σ = 102208080. Its totient is φ = 35379648.

The previous prime is 61914427. The next prime is 61914467. The reversal of 61914447 is 74441916.

It is an interprime number because it is at equal distance from previous prime (61914427) and next prime (61914467).

It is not a de Polignac number, because 61914447 - 2⁷ = 61914319 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (61914427) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 491322 + ... + 491447.

It is an arithmetic number, because the mean of its divisors is an integer number (8517340).

Almost surely, 2^61914447 is an apocalyptic number.

61914447 is a deficient number, since it is larger than the sum of its proper divisors (40293633).

61914447 is a wasteful number, since it uses less digits than its factorization.

61914447 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 982782 (or 982779 counting only the distinct ones).

The product of its digits is 24192, while the sum is 36.

The square root of 61914447 is about 7868.5733776842. The cubic root of 61914447 is about 395.6070290498.

The spelling of 61914447 in words is "sixty-one million, nine hundred fourteen thousand, four hundred forty-seven".