61499706 has 8 divisors (see below), whose sum is σ = 122999424. Its totient is φ = 20499900.

The previous prime is 61499701. The next prime is 61499731. The reversal of 61499706 is 60799416.

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

61499706 is an admirable number.

It is not an unprimeable number, because it can be changed into a prime (61499701) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 5124970 + ... + 5124981.

It is an arithmetic number, because the mean of its divisors is an integer number (15374928).

Almost surely, 2^61499706 is an apocalyptic number.

61499706 is a primitive abundant number, since it is smaller than the sum of its proper divisors, none of which is abundant.

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

61499706 is a wasteful number, since it uses less digits than its factorization.

61499706 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 10249956.

The product of its (nonzero) digits is 81648, while the sum is 42.

The square root of 61499706 is about 7842.1748259013. The cubic root of 61499706 is about 394.7217096590.

The spelling of 61499706 in words is "sixty-one million, four hundred ninety-nine thousand, seven hundred six".