42917328 has 60 divisors (see below), whose sum is σ = 120551808. Its totient is φ = 14253120.

The previous prime is 42917317. The next prime is 42917339. The reversal of 42917328 is 82371924.

It is an interprime number because it is at equal distance from previous prime (42917317) and next prime (42917339).

It is a Harshad number since it is a multiple of its sum of digits (36).

It is a junction number, because it is equal to n+sod(n) for n = 42917292 and 42917301.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 70401 + ... + 71007.

Almost surely, 2^42917328 is an apocalyptic number.

42917328 is a gapful number since it is divisible by the number (48) formed by its first and last digit.

It is an amenable number.

42917328 is an abundant number, since it is smaller than the sum of its proper divisors (77634480).

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

42917328 is a wasteful number, since it uses less digits than its factorization.

42917328 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1112 (or 1103 counting only the distinct ones).

The product of its digits is 24192, while the sum is 36.

The square root of 42917328 is about 6551.1318106110. The cubic root of 42917328 is about 350.1151403491.

It can be divided in two parts, 429173 and 28, that added together give a triangular number (429201 = T₉₂₆).

The spelling of 42917328 in words is "forty-two million, nine hundred seventeen thousand, three hundred twenty-eight".