42937028 has 6 divisors (see below), whose sum is σ = 75139806. Its totient is φ = 21468512.

The previous prime is 42936967. The next prime is 42937039. The reversal of 42937028 is 82073924.

It can be written as a sum of positive squares in only one way, i.e., 40857664 + 2079364 = 6392^2 + 1442^2 .

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 5367125 + ... + 5367132.

It is an arithmetic number, because the mean of its divisors is an integer number (12523301).

Almost surely, 2^42937028 is an apocalyptic number.

It is an amenable number.

42937028 is a deficient number, since it is larger than the sum of its proper divisors (32202778).

42937028 is a wasteful number, since it uses less digits than its factorization.

42937028 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 10734261 (or 10734259 counting only the distinct ones).

The product of its (nonzero) digits is 24192, while the sum is 35.

The square root of 42937028 is about 6552.6351950952. The cubic root of 42937028 is about 350.1687023447.

It can be divided in two parts, 4293702 and 8, that multiplied together give a triangular number (34349616 = T₈₂₈₈).

The spelling of 42937028 in words is "forty-two million, nine hundred thirty-seven thousand, twenty-eight".