1494297873 has 12 divisors (see below), whose sum is σ = 2216766708. Its totient is φ = 969274080.

The previous prime is 1494297853. The next prime is 1494297881. The reversal of 1494297873 is 3787924941.

1494297873 is a `hidden beast` number, since 149 + 429 + 7 + 8 + 73 = 666.

It can be written as a sum of positive squares in 2 ways, for example, as 1105695504 + 388602369 = 33252^2 + 19713^2 .

It is not a de Polignac number, because 1494297873 - 2¹⁴ = 1494281489 is a prime.

It is a super-2 number, since 2×1494297873² = 4465852266504648258, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (1494297803) 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, 2243358 + ... + 2244023.

It is an arithmetic number, because the mean of its divisors is an integer number (184730559).

Almost surely, 2^1494297873 is an apocalyptic number.

It is an amenable number.

1494297873 is a deficient number, since it is larger than the sum of its proper divisors (722468835).

1494297873 is a wasteful number, since it uses less digits than its factorization.

1494297873 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4487424 (or 4487421 counting only the distinct ones).

The product of its digits is 3048192, while the sum is 54.

The square root of 1494297873 is about 38656.1492262227. The cubic root of 1494297873 is about 1143.2618882183.

The spelling of 1494297873 in words is "one billion, four hundred ninety-four million, two hundred ninety-seven thousand, eight hundred seventy-three".