1406623772 has 48 divisors (see below), whose sum is σ = 2593080000. Its totient is φ = 666753024.

The previous prime is 1406623769. The next prime is 1406623781. The reversal of 1406623772 is 2773266041.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1676129 + ... + 1676967.

It is an arithmetic number, because the mean of its divisors is an integer number (54022500).

Almost surely, 2^1406623772 is an apocalyptic number.

It is an amenable number.

1406623772 is a deficient number, since it is larger than the sum of its proper divisors (1186456228).

1406623772 is a wasteful number, since it uses less digits than its factorization.

1406623772 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1118 (or 1116 counting only the distinct ones).

The product of its (nonzero) digits is 84672, while the sum is 38.

The square root of 1406623772 is about 37504.9832955569. The cubic root of 1406623772 is about 1120.4504385050.

The spelling of 1406623772 in words is "one billion, four hundred six million, six hundred twenty-three thousand, seven hundred seventy-two".