42702077 has 4 divisors (see below), whose sum is σ = 46584096. Its totient is φ = 38820060.

The previous prime is 42702073. The next prime is 42702083. The reversal of 42702077 is 77020724.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 42702077 - 2² = 42702073 is a prime.

It is a super-2 number, since 2×42702077² = 3646934760227858, which contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (42702071) 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, 1940993 + ... + 1941014.

It is an arithmetic number, because the mean of its divisors is an integer number (11646024).

Almost surely, 2^42702077 is an apocalyptic number.

It is an amenable number.

42702077 is a deficient number, since it is larger than the sum of its proper divisors (3882019).

42702077 is a wasteful number, since it uses less digits than its factorization.

42702077 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3882018.

The product of its (nonzero) digits is 5488, while the sum is 29.

The square root of 42702077 is about 6534.6826242749. The cubic root of 42702077 is about 349.5288272126.

The spelling of 42702077 in words is "forty-two million, seven hundred two thousand, seventy-seven".