42920310 has 16 divisors (see below), whose sum is σ = 103008816. Its totient is φ = 11445408.

The previous prime is 42920309. The next prime is 42920327. The reversal of 42920310 is 1302924.

It is a super-2 number, since 2×42920310² = 3684306020992200, which contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 715309 + ... + 715368.

It is an arithmetic number, because the mean of its divisors is an integer number (6438051).

Almost surely, 2^42920310 is an apocalyptic number.

42920310 is an abundant number, since it is smaller than the sum of its proper divisors (60088506).

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

42920310 is a wasteful number, since it uses less digits than its factorization.

42920310 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1430687.

The product of its (nonzero) digits is 432, while the sum is 21.

The square root of 42920310 is about 6551.3594009183. The cubic root of 42920310 is about 350.1232491109.

The spelling of 42920310 in words is "forty-two million, nine hundred twenty thousand, three hundred ten".