61945701 has 8 divisors (see below), whose sum is σ = 82642560. Its totient is φ = 41272992.

The previous prime is 61945699. The next prime is 61945703. The reversal of 61945701 is 10754916.

It is an interprime number because it is at equal distance from previous prime (61945699) and next prime (61945703).

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

It is not a de Polignac number, because 61945701 - 2¹ = 61945699 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (61945703) 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, 1185 + ... + 11193.

It is an arithmetic number, because the mean of its divisors is an integer number (10330320).

Almost surely, 2^61945701 is an apocalyptic number.

It is an amenable number.

61945701 is a deficient number, since it is larger than the sum of its proper divisors (20696859).

61945701 is a wasteful number, since it uses less digits than its factorization.

61945701 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 12075.

The product of its (nonzero) digits is 7560, while the sum is 33.

The square root of 61945701 is about 7870.5591288040. The cubic root of 61945701 is about 395.6735844489.

The spelling of 61945701 in words is "sixty-one million, nine hundred forty-five thousand, seven hundred one".