61790694 has 32 divisors (see below), whose sum is σ = 141964800. Its totient is φ = 17563392.

The previous prime is 61790693. The next prime is 61790711. The reversal of 61790694 is 49609716.

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

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (61790693) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 4662 + ... + 12054.

It is an arithmetic number, because the mean of its divisors is an integer number (4436400).

Almost surely, 2^61790694 is an apocalyptic number.

61790694 is an abundant number, since it is smaller than the sum of its proper divisors (80174106).

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

61790694 is a wasteful number, since it uses less digits than its factorization.

61790694 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7604.

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

The square root of 61790694 is about 7860.7056935112. The cubic root of 61790694 is about 395.3432768687.

The spelling of 61790694 in words is "sixty-one million, seven hundred ninety thousand, six hundred ninety-four".