61951194 has 24 divisors (see below), whose sum is σ = 134615520. Its totient is φ = 20590728.

The previous prime is 61951193. The next prime is 61951199. The reversal of 61951194 is 49115916.

It is not an unprimeable number, because it can be changed into a prime (61951193) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 1669 + ... + 11255.

It is an arithmetic number, because the mean of its divisors is an integer number (5608980).

Almost surely, 2^61951194 is an apocalyptic number.

61951194 is an abundant number, since it is smaller than the sum of its proper divisors (72664326).

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

61951194 is a wasteful number, since it uses less digits than its factorization.

61951194 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 9954 (or 9951 counting only the distinct ones).

The product of its digits is 9720, while the sum is 36.

The square root of 61951194 is about 7870.9080797580. The cubic root of 61951194 is about 395.6852794803.

The spelling of 61951194 in words is "sixty-one million, nine hundred fifty-one thousand, one hundred ninety-four".