42790316 has 12 divisors (see below), whose sum is σ = 75422760. Its totient is φ = 21240960.

The previous prime is 42790313. The next prime is 42790331. The reversal of 42790316 is 61309724.

It is a super-2 number, since 2×42790316² = 3662022286759712, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (42790313) 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, 37925 + ... + 39036.

It is an arithmetic number, because the mean of its divisors is an integer number (6285230).

Almost surely, 2^42790316 is an apocalyptic number.

It is an amenable number.

42790316 is a deficient number, since it is larger than the sum of its proper divisors (32632444).

42790316 is a wasteful number, since it uses less digits than its factorization.

42790316 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 77104 (or 77102 counting only the distinct ones).

The product of its (nonzero) digits is 9072, while the sum is 32.

The square root of 42790316 is about 6541.4307303525. The cubic root of 42790316 is about 349.7694154682.

The spelling of 42790316 in words is "forty-two million, seven hundred ninety thousand, three hundred sixteen".