420151743 has 12 divisors (see below), whose sum is σ = 662057448. Its totient is φ = 254637360.

The previous prime is 420151733. The next prime is 420151747. The reversal of 420151743 is 347151024.

It is not a de Polignac number, because 420151743 - 2⁶ = 420151679 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (420151747) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 2121880 + ... + 2122077.

It is an arithmetic number, because the mean of its divisors is an integer number (55171454).

Almost surely, 2^420151743 is an apocalyptic number.

420151743 is a deficient number, since it is larger than the sum of its proper divisors (241905705).

420151743 is a wasteful number, since it uses less digits than its factorization.

420151743 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4243974 (or 4243971 counting only the distinct ones).

The product of its (nonzero) digits is 3360, while the sum is 27.

The square root of 420151743 is about 20497.6033477087. The cubic root of 420151743 is about 748.9774170658.

The spelling of 420151743 in words is "four hundred twenty million, one hundred fifty-one thousand, seven hundred forty-three".