61393794 has 32 divisors (see below), whose sum is σ = 153086976. Its totient is φ = 15946320.

The previous prime is 61393793. The next prime is 61393859. The reversal of 61393794 is 49739316.

It is a Harshad number since it is a multiple of its sum of digits (42).

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (61393793) 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, 65982 + ... + 66905.

It is an arithmetic number, because the mean of its divisors is an integer number (4783968).

Almost surely, 2^61393794 is an apocalyptic number.

61393794 is an abundant number, since it is smaller than the sum of its proper divisors (91693182).

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

61393794 is a wasteful number, since it uses less digits than its factorization.

61393794 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 132910.

The product of its digits is 122472, while the sum is 42.

The square root of 61393794 is about 7835.4191974648. The cubic root of 61393794 is about 394.4949888604.

The spelling of 61393794 in words is "sixty-one million, three hundred ninety-three thousand, seven hundred ninety-four".