1117057672 has 8 divisors (see below), whose sum is σ = 2094483150. Its totient is φ = 558528832.

The previous prime is 1117057663. The next prime is 1117057673. The reversal of 1117057672 is 2767507111.

It can be written as a sum of positive squares in only one way, i.e., 1041611076 + 75446596 = 32274^2 + 8686^2 .

It is a tau number, because it is divible by the number of its divisors (8).

It is a hoax number, since the sum of its digits (37) coincides with the sum of the digits of its distinct prime factors.

It is not an unprimeable number, because it can be changed into a prime (1117057673) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 69816097 + ... + 69816112.

Almost surely, 2^1117057672 is an apocalyptic number.

It is an amenable number.

1117057672 is a deficient number, since it is larger than the sum of its proper divisors (977425478).

1117057672 is a wasteful number, since it uses less digits than its factorization.

1117057672 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 139632215 (or 139632211 counting only the distinct ones).

The product of its (nonzero) digits is 20580, while the sum is 37.

The square root of 1117057672 is about 33422.4127196108. The cubic root of 1117057672 is about 1037.5886168464.

The spelling of 1117057672 in words is "one billion, one hundred seventeen million, fifty-seven thousand, six hundred seventy-two".