61472693 has 2 divisors, whose sum is σ = 61472694. Its totient is φ = 61472692.

The previous prime is 61472681. The next prime is 61472713. The reversal of 61472693 is 39627416.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 37246609 + 24226084 = 6103^2 + 4922^2 .

It is a cyclic number.

It is not a de Polignac number, because 61472693 - 2¹⁸ = 61210549 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (61472603) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 30736346 + 30736347.

It is an arithmetic number, because the mean of its divisors is an integer number (30736347).

Almost surely, 2^61472693 is an apocalyptic number.

It is an amenable number.

61472693 is a deficient number, since it is larger than the sum of its proper divisors (1).

61472693 is an equidigital number, since it uses as much as digits as its factorization.

61472693 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 54432, while the sum is 38.

The square root of 61472693 is about 7840.4523466443. The cubic root of 61472693 is about 394.6639089541.

The spelling of 61472693 in words is "sixty-one million, four hundred seventy-two thousand, six hundred ninety-three".