42633420 has 24 divisors (see below), whose sum is σ = 119373744. Its totient is φ = 11368896.

The previous prime is 42633419. The next prime is 42633443. The reversal of 42633420 is 2433624.

42633420 = 2305² + 2306² + ... + 2312².

It is a happy number.

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, 355219 + ... + 355338.

It is an arithmetic number, because the mean of its divisors is an integer number (4973906).

Almost surely, 2^42633420 is an apocalyptic number.

It is an amenable number.

42633420 is an abundant number, since it is smaller than the sum of its proper divisors (76740324).

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

42633420 is a wasteful number, since it uses less digits than its factorization.

42633420 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 710569 (or 710567 counting only the distinct ones).

The product of its (nonzero) digits is 3456, while the sum is 24.

The square root of 42633420 is about 6529.4272336860. The cubic root of 42633420 is about 349.3414009396.

The spelling of 42633420 in words is "forty-two million, six hundred thirty-three thousand, four hundred twenty".