234567780 has 24 divisors (see below), whose sum is σ = 656789952. Its totient is φ = 62551392.

The previous prime is 234567743. The next prime is 234567803. The reversal of 234567780 is 87765432.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1954672 + ... + 1954791.

It is an arithmetic number, because the mean of its divisors is an integer number (27366248).

Almost surely, 2^234567780 is an apocalyptic number.

234567780 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

234567780 is an abundant number, since it is smaller than the sum of its proper divisors (422222172).

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

234567780 is a wasteful number, since it uses less digits than its factorization.

234567780 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3909475 (or 3909473 counting only the distinct ones).

The product of its (nonzero) digits is 282240, while the sum is 42.

The square root of 234567780 is about 15315.6057666682. The cubic root of 234567780 is about 616.7220162964.

It can be divided in two parts, 2345 and 67780, that added together give a triangular number (70125 = T₃₇₄).

The spelling of 234567780 in words is "two hundred thirty-four million, five hundred sixty-seven thousand, seven hundred eighty".