1547072372 has 12 divisors (see below), whose sum is σ = 2710609440. Its totient is φ = 772612536.

The previous prime is 1547072347. The next prime is 1547072377. The reversal of 1547072372 is 2732707451.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1547072377) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 227138 + ... + 233849.

It is an arithmetic number, because the mean of its divisors is an integer number (225884120).

Almost surely, 2^1547072372 is an apocalyptic number.

It is an amenable number.

1547072372 is a deficient number, since it is larger than the sum of its proper divisors (1163537068).

1547072372 is a wasteful number, since it uses less digits than its factorization.

1547072372 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 461830 (or 461828 counting only the distinct ones).

The product of its (nonzero) digits is 82320, while the sum is 38.

The square root of 1547072372 is about 39332.8408839229. The cubic root of 1547072372 is about 1156.5654383898.

The spelling of 1547072372 in words is "one billion, five hundred forty-seven million, seventy-two thousand, three hundred seventy-two".