91896742 has 8 divisors (see below), whose sum is σ = 157537296. Its totient is φ = 39384312.

The previous prime is 91896697. The next prime is 91896743. The reversal of 91896742 is 24769819.

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

It is a super-2 number, since 2×91896742² = 16890022380429128, which contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 91896692 and 91896701.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (91896743) 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, 3282013 + ... + 3282040.

It is an arithmetic number, because the mean of its divisors is an integer number (19692162).

Almost surely, 2^91896742 is an apocalyptic number.

91896742 is a deficient number, since it is larger than the sum of its proper divisors (65640554).

91896742 is a wasteful number, since it uses less digits than its factorization.

91896742 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6564062.

The product of its digits is 217728, while the sum is 46.

The square root of 91896742 is about 9586.2788400922. The cubic root of 91896742 is about 451.2667877416.

It can be divided in two parts, 9189 and 6742, that added together give a triangular number (15931 = T₁₇₈).

The spelling of 91896742 in words is "ninety-one million, eight hundred ninety-six thousand, seven hundred forty-two".