1532073816 has 384 divisors, whose sum is σ = 5563084800. Its totient is φ = 369515520.

The previous prime is 1532073793. The next prime is 1532073817. The reversal of 1532073816 is 6183702351.

It is a Harshad number since it is a multiple of its sum of digits (36).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1532073817) by changing a digit.

It is a polite number, since it can be written in 95 ways as a sum of consecutive naturals, for example, 3858930 + ... + 3859326.

It is an arithmetic number, because the mean of its divisors is an integer number (14487200).

Almost surely, 2^1532073816 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 1532073816, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (2781542400).

1532073816 is an abundant number, since it is smaller than the sum of its proper divisors (4031010984).

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

1532073816 is a wasteful number, since it uses less digits than its factorization.

1532073816 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 479 (or 472 counting only the distinct ones).

The product of its (nonzero) digits is 30240, while the sum is 36.

The square root of 1532073816 is about 39141.7145255544. The cubic root of 1532073816 is about 1152.8157380622.

The spelling of 1532073816 in words is "one billion, five hundred thirty-two million, seventy-three thousand, eight hundred sixteen".