427031742 has 16 divisors (see below), whose sum is σ = 854274960. Its totient is φ = 142308672.

The previous prime is 427031741. The next prime is 427031743. The reversal of 427031742 is 247130724.

It is an interprime number because it is at equal distance from previous prime (427031741) and next prime (427031743).

It is a super-2 number, since 2×427031742² = 364712217351109128, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (427031741) 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, 31938 + ... + 43290.

It is an arithmetic number, because the mean of its divisors is an integer number (53392185).

Almost surely, 2^427031742 is an apocalyptic number.

427031742 is an abundant number, since it is smaller than the sum of its proper divisors (427243218).

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

427031742 is a wasteful number, since it uses less digits than its factorization.

427031742 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 17627.

The product of its (nonzero) digits is 9408, while the sum is 30.

The square root of 427031742 is about 20664.7463570207. The cubic root of 427031742 is about 753.0434800443.

The spelling of 427031742 in words is "four hundred twenty-seven million, thirty-one thousand, seven hundred forty-two".