61949307 has 16 divisors (see below), whose sum is σ = 97655040. Its totient is φ = 34178592.

The previous prime is 61949299. The next prime is 61949311. The reversal of 61949307 is 70394916.

It is not a de Polignac number, because 61949307 - 2³ = 61949299 is a prime.

It is not an unprimeable number, because it can be changed into a prime (61949317) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 50253 + ... + 51470.

It is an arithmetic number, because the mean of its divisors is an integer number (6103440).

Almost surely, 2^61949307 is an apocalyptic number.

61949307 is a deficient number, since it is larger than the sum of its proper divisors (35705733).

61949307 is a wasteful number, since it uses less digits than its factorization.

61949307 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 101762.

The product of its (nonzero) digits is 40824, while the sum is 39.

The square root of 61949307 is about 7870.7882070349. The cubic root of 61949307 is about 395.6812619860.

The spelling of 61949307 in words is "sixty-one million, nine hundred forty-nine thousand, three hundred seven".