42898770 has 48 divisors (see below), whose sum is σ = 117411840. Its totient is φ = 10837152.

The previous prime is 42898763. The next prime is 42898771. The reversal of 42898770 is 7789824.

It is a Smith number, since the sum of its digits (45) coincides with the sum of the digits of its prime factors.

It is a Harshad number since it is a multiple of its sum of digits (45).

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (42898771) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 10834 + ... + 14253.

It is an arithmetic number, because the mean of its divisors is an integer number (2446080).

Almost surely, 2^42898770 is an apocalyptic number.

42898770 is an abundant number, since it is smaller than the sum of its proper divisors (74513070).

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

42898770 is a wasteful number, since it uses less digits than its factorization.

42898770 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 25119 (or 25116 counting only the distinct ones).

The product of its (nonzero) digits is 225792, while the sum is 45.

The square root of 42898770 is about 6549.7152609865. The cubic root of 42898770 is about 350.0646683228.

The spelling of 42898770 in words is "forty-two million, eight hundred ninety-eight thousand, seven hundred seventy".