1137572447 has 8 divisors (see below), whose sum is σ = 1253782992. Its totient is φ = 1023494400.

The previous prime is 1137572419. The next prime is 1137572467. The reversal of 1137572447 is 7442757311.

It is a happy number.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 1137572447 - 2⁶ = 1137572383 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1137572417) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 532004 + ... + 534137.

It is an arithmetic number, because the mean of its divisors is an integer number (156722874).

Almost surely, 2^1137572447 is an apocalyptic number.

1137572447 is a deficient number, since it is larger than the sum of its proper divisors (116210545).

1137572447 is a wasteful number, since it uses less digits than its factorization.

1137572447 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1066249.

The product of its digits is 164640, while the sum is 41.

The square root of 1137572447 is about 33727.9179167644. The cubic root of 1137572447 is about 1043.9019003134.

The spelling of 1137572447 in words is "one billion, one hundred thirty-seven million, five hundred seventy-two thousand, four hundred forty-seven".