1573342473 has 12 divisors (see below), whose sum is σ = 2167647504. Its totient is φ = 1015057800.

The previous prime is 1573342457. The next prime is 1573342489. The reversal of 1573342473 is 3742433751.

It is an interprime number because it is at equal distance from previous prime (1573342457) and next prime (1573342489).

It is not a de Polignac number, because 1573342473 - 2⁴ = 1573342457 is a prime.

It is a super-3 number, since 3×1573342473³ (a number of 29 digits) contains 333 as substring.

It is not an unprimeable number, because it can be changed into a prime (1573346473) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 269983 + ... + 275748.

It is an arithmetic number, because the mean of its divisors is an integer number (180637292).

Almost surely, 2^1573342473 is an apocalyptic number.

It is an amenable number.

1573342473 is a deficient number, since it is larger than the sum of its proper divisors (594305031).

1573342473 is an equidigital number, since it uses as much as digits as its factorization.

1573342473 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 545796 (or 545765 counting only the distinct ones).

The product of its digits is 211680, while the sum is 39.

The square root of 1573342473 is about 39665.3812914990. The cubic root of 1573342473 is about 1163.0750932300.

The spelling of 1573342473 in words is "one billion, five hundred seventy-three million, three hundred forty-two thousand, four hundred seventy-three".