42670746 has 16 divisors (see below), whose sum is σ = 94824000. Its totient is φ = 14223564.

The previous prime is 42670739. The next prime is 42670801. The reversal of 42670746 is 64707624.

It is a self number, because there is not a number n which added to its sum of digits gives 42670746.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 395046 + ... + 395153.

It is an arithmetic number, because the mean of its divisors is an integer number (5926500).

Almost surely, 2^42670746 is an apocalyptic number.

42670746 is an abundant number, since it is smaller than the sum of its proper divisors (52153254).

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

42670746 is a wasteful number, since it uses less digits than its factorization.

42670746 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 790210 (or 790204 counting only the distinct ones).

The product of its (nonzero) digits is 56448, while the sum is 36.

The square root of 42670746 is about 6532.2848988696. The cubic root of 42670746 is about 349.4433218706.

The spelling of 42670746 in words is "forty-two million, six hundred seventy thousand, seven hundred forty-six".