1097475072 has 176 divisors, whose sum is σ = 3081308160. Its totient is φ = 346816512.

The previous prime is 1097474999. The next prime is 1097475121. The reversal of 1097475072 is 2705747901.

It is a super-2 number, since 2×1097475072² = 2408903067322810368, which contains 22 as substring.

It is a hoax number, since the sum of its digits (42) coincides with the sum of the digits of its distinct prime factors.

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, 8641473 + ... + 8641599.

Almost surely, 2^1097475072 is an apocalyptic number.

1097475072 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 1097475072, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1540654080).

1097475072 is an abundant number, since it is smaller than the sum of its proper divisors (1983833088).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

1097475072 is a wasteful number, since it uses less digits than its factorization.

1097475072 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 276 (or 258 counting only the distinct ones).

The product of its (nonzero) digits is 123480, while the sum is 42.

The square root of 1097475072 is about 33128.1613132996. The cubic root of 1097475072 is about 1031.4896821916.

The spelling of 1097475072 in words is "one billion, ninety-seven million, four hundred seventy-five thousand, seventy-two".