42920507 has 8 divisors (see below), whose sum is σ = 51184896. Its totient is φ = 35189352.

The previous prime is 42920491. The next prime is 42920543. The reversal of 42920507 is 70502924.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 42920507 - 2⁴ = 42920491 is a prime.

It is a super-2 number, since 2×42920507² = 3684339842274098, which contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 42920507.

It is not an unprimeable number, because it can be changed into a prime (42920557) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 133133 + ... + 133454.

It is an arithmetic number, because the mean of its divisors is an integer number (6398112).

Almost surely, 2^42920507 is an apocalyptic number.

42920507 is a deficient number, since it is larger than the sum of its proper divisors (8264389).

42920507 is a wasteful number, since it uses less digits than its factorization.

42920507 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 266617.

The product of its (nonzero) digits is 5040, while the sum is 29.

The square root of 42920507 is about 6551.3744359485. The cubic root of 42920507 is about 350.1237847872.

The spelling of 42920507 in words is "forty-two million, nine hundred twenty thousand, five hundred seven".