42102074 has 48 divisors (see below), whose sum is σ = 76684608. Its totient is φ = 17273088.

The previous prime is 42102059. The next prime is 42102089. The reversal of 42102074 is 47020124.

It is an interprime number because it is at equal distance from previous prime (42102059) and next prime (42102089).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 408707 + ... + 408809.

It is an arithmetic number, because the mean of its divisors is an integer number (1597596).

Almost surely, 2^42102074 is an apocalyptic number.

42102074 is a deficient number, since it is larger than the sum of its proper divisors (34582534).

42102074 is a wasteful number, since it uses less digits than its factorization.

42102074 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 259 (or 252 counting only the distinct ones).

The product of its (nonzero) digits is 448, while the sum is 20.

The square root of 42102074 is about 6488.6110994573. The cubic root of 42102074 is about 347.8840334522.

Adding to 42102074 its reverse (47020124), we get a palindrome (89122198).

The spelling of 42102074 in words is "forty-two million, one hundred two thousand, seventy-four".