42303772 has 48 divisors (see below), whose sum is σ = 86929920. Its totient is φ = 17641152.

The previous prime is 42303763. The next prime is 42303773. The reversal of 42303772 is 27730324.

It is a Harshad number since it is a multiple of its sum of digits (28).

It is a self number, because there is not a number n which added to its sum of digits gives 42303772.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (42303773) 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, 253233 + ... + 253399.

It is an arithmetic number, because the mean of its divisors is an integer number (1811040).

Almost surely, 2^42303772 is an apocalyptic number.

It is an amenable number.

42303772 is an abundant number, since it is smaller than the sum of its proper divisors (44626148).

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

42303772 is a wasteful number, since it uses less digits than its factorization.

42303772 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 370 (or 368 counting only the distinct ones).

The product of its (nonzero) digits is 7056, while the sum is 28.

The square root of 42303772 is about 6504.1349924490. The cubic root of 42303772 is about 348.4386835689.

The spelling of 42303772 in words is "forty-two million, three hundred three thousand, seven hundred seventy-two".