1234406672 has 10 divisors (see below), whose sum is σ = 2391662958. Its totient is φ = 617203328.

The previous prime is 1234406647. The next prime is 1234406683. The reversal of 1234406672 is 2766044321.

It can be written as a sum of positive squares in only one way, i.e., 1227521296 + 6885376 = 35036^2 + 2624^2 .

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 38575193 + ... + 38575224.

Almost surely, 2^1234406672 is an apocalyptic number.

It is an amenable number.

1234406672 is a deficient number, since it is larger than the sum of its proper divisors (1157256286).

1234406672 is an equidigital number, since it uses as much as digits as its factorization.

1234406672 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 77150425 (or 77150419 counting only the distinct ones).

The product of its (nonzero) digits is 48384, while the sum is 35.

The square root of 1234406672 is about 35134.1240391731. The cubic root of 1234406672 is about 1072.7192813277.

The spelling of 1234406672 in words is "one billion, two hundred thirty-four million, four hundred six thousand, six hundred seventy-two".