1953297072 has 80 divisors (see below), whose sum is σ = 5743486560. Its totient is φ = 635212800.

The previous prime is 1953297067. The next prime is 1953297097. The reversal of 1953297072 is 2707923591.

1953297072 is a `hidden beast` number, since 195 + 329 + 70 + 72 = 666.

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, 37429 + ... + 72852.

It is an arithmetic number, because the mean of its divisors is an integer number (71793582).

Almost surely, 2^1953297072 is an apocalyptic number.

1953297072 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

1953297072 is an abundant number, since it is smaller than the sum of its proper divisors (3790189488).

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

1953297072 is a wasteful number, since it uses less digits than its factorization.

1953297072 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 110339 (or 110327 counting only the distinct ones).

The product of its (nonzero) digits is 238140, while the sum is 45.

The square root of 1953297072 is about 44196.1205537319. The cubic root of 1953297072 is about 1250.0367076154.

The spelling of 1953297072 in words is "one billion, nine hundred fifty-three million, two hundred ninety-seven thousand, seventy-two".