92990042 has 4 divisors (see below), whose sum is σ = 139485066. Its totient is φ = 46495020.

The previous prime is 92990041. The next prime is 92990057. The reversal of 92990042 is 24009929.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 24009929 = 37 ⋅648917.

It can be written as a sum of positive squares in only one way, i.e., 83923921 + 9066121 = 9161^2 + 3011^2 .

It is a super-2 number, since 2×92990042² = 17294295822323528, which contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 92989984 and 92990011.

It is not an unprimeable number, because it can be changed into a prime (92990041) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 23247509 + ... + 23247512.

Almost surely, 2^92990042 is an apocalyptic number.

92990042 is a deficient number, since it is larger than the sum of its proper divisors (46495024).

92990042 is a wasteful number, since it uses less digits than its factorization.

92990042 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 46495023.

The product of its (nonzero) digits is 11664, while the sum is 35.

The square root of 92990042 is about 9643.1344489227. The cubic root of 92990042 is about 453.0493183281.

The spelling of 92990042 in words is "ninety-two million, nine hundred ninety thousand, forty-two".