1497423872 has 56 divisors (see below), whose sum is σ = 3422605296. Its totient is φ = 641728512.

The previous prime is 1497423871. The next prime is 1497423881. The reversal of 1497423872 is 2783247941.

It is a happy number.

It is a tau number, because it is divible by the number of its divisors (56).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1497423871) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 44288 + ... + 70400.

Almost surely, 2^1497423872 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 1497423872, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1711302648).

1497423872 is an abundant number, since it is smaller than the sum of its proper divisors (1925181424).

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

1497423872 is an frugal number, since it uses more digits than its factorization.

1497423872 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 26146 (or 26122 counting only the distinct ones).

The product of its digits is 677376, while the sum is 47.

The square root of 1497423872 is about 38696.5615009913. The cubic root of 1497423872 is about 1144.0585491739.

The spelling of 1497423872 in words is "one billion, four hundred ninety-seven million, four hundred twenty-three thousand, eight hundred seventy-two".