426744078 has 32 divisors (see below), whose sum is σ = 883525632. Its totient is φ = 137268000.

The previous prime is 426744061. The next prime is 426744079. The reversal of 426744078 is 870447624.

It is a super-2 number, since 2×426744078² = 364221016216140168, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (426744079) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 66303 + ... + 72453.

It is an arithmetic number, because the mean of its divisors is an integer number (27610176).

Almost surely, 2^426744078 is an apocalyptic number.

426744078 is an abundant number, since it is smaller than the sum of its proper divisors (456781554).

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

426744078 is a wasteful number, since it uses less digits than its factorization.

426744078 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6560.

The product of its (nonzero) digits is 301056, while the sum is 42.

The square root of 426744078 is about 20657.7849248171. The cubic root of 426744078 is about 752.8743496352.

The spelling of 426744078 in words is "four hundred twenty-six million, seven hundred forty-four thousand, seventy-eight".