42492077 has 8 divisors (see below), whose sum is σ = 43007712. Its totient is φ = 41979600.

The previous prime is 42492067. The next prime is 42492083. The reversal of 42492077 is 77029424.

It is a happy number.

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

It is a cyclic number.

It is not a de Polignac number, because 42492077 - 2¹⁸ = 42229933 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (42492067) 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, 35702 + ... + 36872.

It is an arithmetic number, because the mean of its divisors is an integer number (5375964).

Almost surely, 2^42492077 is an apocalyptic number.

It is an amenable number.

42492077 is a deficient number, since it is larger than the sum of its proper divisors (515635).

42492077 is a wasteful number, since it uses less digits than its factorization.

42492077 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1579.

The product of its (nonzero) digits is 28224, while the sum is 35.

The square root of 42492077 is about 6518.5947105185. The cubic root of 42492077 is about 348.9549151811.

The spelling of 42492077 in words is "forty-two million, four hundred ninety-two thousand, seventy-seven".