61907461 has 16 divisors (see below), whose sum is σ = 78497280. Its totient is φ = 47418480.

The previous prime is 61907411. The next prime is 61907477. The reversal of 61907461 is 16470916.

It is a 3-Lehmer number, since φ(61907461) divides (61907461-1)³.

It is a cyclic number.

It is not a de Polignac number, because 61907461 - 2⁷ = 61907333 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 (61907411) 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, 2271 + ... + 11356.

It is an arithmetic number, because the mean of its divisors is an integer number (4906080).

Almost surely, 2^61907461 is an apocalyptic number.

61907461 is the 4543-rd octagonal number.

It is an amenable number.

61907461 is a deficient number, since it is larger than the sum of its proper divisors (16589819).

61907461 is a wasteful number, since it uses less digits than its factorization.

61907461 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 13704.

The product of its (nonzero) digits is 9072, while the sum is 34.

The square root of 61907461 is about 7868.1294473337. The cubic root of 61907461 is about 395.5921492988.

The spelling of 61907461 in words is "sixty-one million, nine hundred seven thousand, four hundred sixty-one".