1575420273 has 96 divisors (see below), whose sum is σ = 2825222400. Its totient is φ = 858283776.

The previous prime is 1575420271. The next prime is 1575420281. The reversal of 1575420273 is 3720245751.

It is not a de Polignac number, because 1575420273 - 2¹ = 1575420271 is a prime.

It is not an unprimeable number, because it can be changed into a prime (1575420271) by changing a digit.

It is a polite number, since it can be written in 95 ways as a sum of consecutive naturals, for example, 5376715 + ... + 5377007.

It is an arithmetic number, because the mean of its divisors is an integer number (29429400).

Almost surely, 2^1575420273 is an apocalyptic number.

It is an amenable number.

1575420273 is a deficient number, since it is larger than the sum of its proper divisors (1249802127).

1575420273 is a wasteful number, since it uses less digits than its factorization.

1575420273 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 453 (or 441 counting only the distinct ones).

The product of its (nonzero) digits is 58800, while the sum is 36.

The square root of 1575420273 is about 39691.5642548892. The cubic root of 1575420273 is about 1163.5868644906.

The spelling of 1575420273 in words is "one billion, five hundred seventy-five million, four hundred twenty thousand, two hundred seventy-three".