42533670 has 32 divisors (see below), whose sum is σ = 106520832. Its totient is φ = 10848992.

The previous prime is 42533657. The next prime is 42533681. The reversal of 42533670 is 7633524.

It is a super-2 number, since 2×42533670² = 3618226167337800, which contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (30).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 30132 + ... + 31511.

It is an arithmetic number, because the mean of its divisors is an integer number (3328776).

Almost surely, 2^42533670 is an apocalyptic number.

42533670 is an abundant number, since it is smaller than the sum of its proper divisors (63987162).

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

42533670 is a wasteful number, since it uses less digits than its factorization.

42533670 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 61676.

The product of its (nonzero) digits is 15120, while the sum is 30.

The square root of 42533670 is about 6521.7842650612. The cubic root of 42533670 is about 349.0687352132.

The spelling of 42533670 in words is "forty-two million, five hundred thirty-three thousand, six hundred seventy".