42637374 has 32 divisors (see below), whose sum is σ = 102039840. Its totient is φ = 13118976.

The previous prime is 42637373. The next prime is 42637379. The reversal of 42637374 is 47373624.

It is a happy number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (42637373) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 29667 + ... + 31070.

It is an arithmetic number, because the mean of its divisors is an integer number (3188745).

Almost surely, 2^42637374 is an apocalyptic number.

42637374 is an abundant number, since it is smaller than the sum of its proper divisors (59402466).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

42637374 is a wasteful number, since it uses less digits than its factorization.

42637374 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 60761 (or 60755 counting only the distinct ones).

The product of its digits is 84672, while the sum is 36.

The square root of 42637374 is about 6529.7300097324. The cubic root of 42637374 is about 349.3522003954.

The spelling of 42637374 in words is "forty-two million, six hundred thirty-seven thousand, three hundred seventy-four".