420965734 has 16 divisors (see below), whose sum is σ = 753032448. Its totient is φ = 172569672.

The previous prime is 420965731. The next prime is 420965759. The reversal of 420965734 is 437569024.

It is a happy number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (420965731) 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, 653352 + ... + 653995.

It is an arithmetic number, because the mean of its divisors is an integer number (47064528).

Almost surely, 2^420965734 is an apocalyptic number.

420965734 is a deficient number, since it is larger than the sum of its proper divisors (332066714).

420965734 is a wasteful number, since it uses less digits than its factorization.

420965734 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1307379.

The product of its (nonzero) digits is 181440, while the sum is 40.

The square root of 420965734 is about 20517.4495003643. The cubic root of 420965734 is about 749.4607881307.

The spelling of 420965734 in words is "four hundred twenty million, nine hundred sixty-five thousand, seven hundred thirty-four".