1493167725 has 144 divisors (see below), whose sum is σ = 3298538880. Its totient is φ = 630374400.

The previous prime is 1493167723. The next prime is 1493167757. The reversal of 1493167725 is 5277613941.

It is not a de Polignac number, because 1493167725 - 2¹ = 1493167723 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (45).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1493167723) by changing a digit.

It is a polite number, since it can be written in 143 ways as a sum of consecutive naturals, for example, 1226317 + ... + 1227533.

It is an arithmetic number, because the mean of its divisors is an integer number (22906520).

Almost surely, 2^1493167725 is an apocalyptic number.

1493167725 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

It is an amenable number.

1493167725 is an abundant number, since it is smaller than the sum of its proper divisors (1805371155).

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

1493167725 is a wasteful number, since it uses less digits than its factorization.

1493167725 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1300 (or 1292 counting only the distinct ones).

The product of its digits is 317520, while the sum is 45.

The square root of 1493167725 is about 38641.5285023768. The cubic root of 1493167725 is about 1142.9735965225.

The spelling of 1493167725 in words is "one billion, four hundred ninety-three million, one hundred sixty-seven thousand, seven hundred twenty-five".