42992997 has 8 divisors (see below), whose sum is σ = 57831744. Its totient is φ = 28408128.

The previous prime is 42992987. The next prime is 42993007. The reversal of 42992997 is 79929924.

It is a happy number.

It is an interprime number because it is at equal distance from previous prime (42992987) and next prime (42993007).

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

It is not a de Polignac number, because 42992997 - 2⁷ = 42992869 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (42992947) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 63073 + ... + 63750.

It is an arithmetic number, because the mean of its divisors is an integer number (7228968).

Almost surely, 2^42992997 is an apocalyptic number.

It is an amenable number.

42992997 is a deficient number, since it is larger than the sum of its proper divisors (14838747).

42992997 is a wasteful number, since it uses less digits than its factorization.

42992997 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 126939.

The product of its digits is 734832, while the sum is 51.

The square root of 42992997 is about 6556.9045288154. The cubic root of 42992997 is about 350.3207861715.

The spelling of 42992997 in words is "forty-two million, nine hundred ninety-two thousand, nine hundred ninety-seven".