61202791 has 8 divisors (see below), whose sum is σ = 67518864. Its totient is φ = 55116480.

The previous prime is 61202783. The next prime is 61202833. The reversal of 61202791 is 19720216.

It is a happy number.

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 61202791 - 2³ = 61202783 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (61205791) 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, 56881 + ... + 57946.

It is an arithmetic number, because the mean of its divisors is an integer number (8439858).

Almost surely, 2^61202791 is an apocalyptic number.

61202791 is a deficient number, since it is larger than the sum of its proper divisors (6316073).

61202791 is a wasteful number, since it uses less digits than its factorization.

61202791 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 114881.

The product of its (nonzero) digits is 1512, while the sum is 28.

The square root of 61202791 is about 7823.2212674831. The cubic root of 61202791 is about 394.0854577701.

It can be divided in two parts, 6120 and 2791, that added together give a triangular number (8911 = T₁₃₃).

The spelling of 61202791 in words is "sixty-one million, two hundred two thousand, seven hundred ninety-one".