42748030 has 96 divisors (see below), whose sum is σ = 94820544. Its totient is φ = 13719552.

The previous prime is 42748019. The next prime is 42748031. The reversal of 42748030 is 3084724.

It is a self number, because there is not a number n which added to its sum of digits gives 42748030.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (42748031) by changing a digit.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 1474056 + ... + 1474084.

It is an arithmetic number, because the mean of its divisors is an integer number (987714).

Almost surely, 2^42748030 is an apocalyptic number.

42748030 is an abundant number, since it is smaller than the sum of its proper divisors (52072514).

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

42748030 is a wasteful number, since it uses less digits than its factorization.

42748030 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 118 (or 89 counting only the distinct ones).

The product of its (nonzero) digits is 5376, while the sum is 28.

The square root of 42748030 is about 6538.1977639102. The cubic root of 42748030 is about 349.6541617880.

It can be divided in two parts, 427 and 48030, that multiplied together give a triangular number (20508810 = T₆₄₀₄).

The spelling of 42748030 in words is "forty-two million, seven hundred forty-eight thousand, thirty".