61499694 has 32 divisors (see below), whose sum is σ = 129888000. Its totient is φ = 19358784.

The previous prime is 61499689. The next prime is 61499699. The reversal of 61499694 is 49699416.

It is an interprime number because it is at equal distance from previous prime (61499689) and next prime (61499699).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (61499699) 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, 45967 + ... + 47285.

It is an arithmetic number, because the mean of its divisors is an integer number (4059000).

Almost surely, 2^61499694 is an apocalyptic number.

61499694 is an abundant number, since it is smaller than the sum of its proper divisors (68388306).

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

61499694 is a wasteful number, since it uses less digits than its factorization.

61499694 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1752.

The product of its digits is 419904, while the sum is 48.

The square root of 61499694 is about 7842.1740608074. The cubic root of 61499694 is about 394.7216839859.

The spelling of 61499694 in words is "sixty-one million, four hundred ninety-nine thousand, six hundred ninety-four".