1497165747 has 24 divisors (see below), whose sum is σ = 2533240512. Its totient is φ = 777747600.

The previous prime is 1497165731. The next prime is 1497165751. The reversal of 1497165747 is 7475617941.

It is not a de Polignac number, because 1497165747 - 2⁴ = 1497165731 is a prime.

It is a super-3 number, since 3×1497165747³ (a number of 29 digits) contains 333 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 1497165747.

It is not an unprimeable number, because it can be changed into a prime (1497165847) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 461329 + ... + 464562.

It is an arithmetic number, because the mean of its divisors is an integer number (105551688).

Almost surely, 2^1497165747 is an apocalyptic number.

1497165747 is a deficient number, since it is larger than the sum of its proper divisors (1036074765).

1497165747 is a wasteful number, since it uses less digits than its factorization.

1497165747 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 925919 (or 925912 counting only the distinct ones).

The product of its digits is 1481760, while the sum is 51.

The square root of 1497165747 is about 38693.2261125898. The cubic root of 1497165747 is about 1143.9928080281.

The spelling of 1497165747 in words is "one billion, four hundred ninety-seven million, one hundred sixty-five thousand, seven hundred forty-seven".