61291703 has 12 divisors (see below), whose sum is σ = 69697320. Its totient is φ = 53795280.

The previous prime is 61291697. The next prime is 61291751. The reversal of 61291703 is 30719216.

It is not a de Polignac number, because 61291703 - 2⁴ = 61291687 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (29).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (61291003) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 5225 + ... + 12242.

It is an arithmetic number, because the mean of its divisors is an integer number (5808110).

Almost surely, 2^61291703 is an apocalyptic number.

61291703 is a deficient number, since it is larger than the sum of its proper divisors (8405617).

61291703 is a wasteful number, since it uses less digits than its factorization.

61291703 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 17518 (or 17507 counting only the distinct ones).

The product of its (nonzero) digits is 2268, while the sum is 29.

The square root of 61291703 is about 7828.9017748341. The cubic root of 61291703 is about 394.2762005548.

The spelling of 61291703 in words is "sixty-one million, two hundred ninety-one thousand, seven hundred three".