86190742 has 8 divisors (see below), whose sum is σ = 141039432. Its totient is φ = 39177600.

The previous prime is 86190719. The next prime is 86190749. The reversal of 86190742 is 24709168.

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

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (86190749) 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, 1958859 + ... + 1958902.

It is an arithmetic number, because the mean of its divisors is an integer number (17629929).

Almost surely, 2^86190742 is an apocalyptic number.

86190742 is a deficient number, since it is larger than the sum of its proper divisors (54848690).

86190742 is a wasteful number, since it uses less digits than its factorization.

86190742 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3917774.

The product of its (nonzero) digits is 24192, while the sum is 37.

The square root of 86190742 is about 9283.8969188590. The cubic root of 86190742 is about 441.7265871157.

The spelling of 86190742 in words is "eighty-six million, one hundred ninety thousand, seven hundred forty-two".