61850307 has 8 divisors (see below), whose sum is σ = 82992976. Its totient is φ = 40970592.

The previous prime is 61850303. The next prime is 61850309. The reversal of 61850307 is 70305816.

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

It is not a de Polignac number, because 61850307 - 2² = 61850303 is a prime.

It is an alternating number because its digits alternate between even and odd.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (61850303) 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, 65188 + ... + 66129.

It is an arithmetic number, because the mean of its divisors is an integer number (10374122).

Almost surely, 2^61850307 is an apocalyptic number.

61850307 is a deficient number, since it is larger than the sum of its proper divisors (21142669).

61850307 is a wasteful number, since it uses less digits than its factorization.

61850307 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 131477.

The product of its (nonzero) digits is 5040, while the sum is 30.

The square root of 61850307 is about 7864.4966145329. The cubic root of 61850307 is about 395.4703727268.

The spelling of 61850307 in words is "sixty-one million, eight hundred fifty thousand, three hundred seven".