1492706688 has 128 divisors (see below), whose sum is σ = 4442826240. Its totient is φ = 440064000.

The previous prime is 1492706599. The next prime is 1492706689. The reversal of 1492706688 is 8866072941.

It is a tau number, because it is divible by the number of its divisors (128).

It is a self number, because there is not a number n which added to its sum of digits gives 1492706688.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1492706689) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 151513 + ... + 161063.

It is an arithmetic number, because the mean of its divisors is an integer number (34709580).

Almost surely, 2^1492706688 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 1492706688, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (2221413120).

1492706688 is an abundant number, since it is smaller than the sum of its proper divisors (2950119552).

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

1492706688 is a wasteful number, since it uses less digits than its factorization.

1492706688 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 9616 (or 9604 counting only the distinct ones).

The product of its (nonzero) digits is 1161216, while the sum is 51.

The square root of 1492706688 is about 38635.5624781108. The cubic root of 1492706688 is about 1142.8559479035.

The spelling of 1492706688 in words is "one billion, four hundred ninety-two million, seven hundred six thousand, six hundred eighty-eight".