738641340 has 144 divisors (see below), whose sum is σ = 2434897920. Its totient is φ = 180558720.

The previous prime is 738641333. The next prime is 738641353. The reversal of 738641340 is 43146837.

738641340 is a `hidden beast` number, since 7 + 3 + 8 + 641 + 3 + 4 + 0 = 666.

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

It is a junction number, because it is equal to n+sod(n) for n = 738641295 and 738641304.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 102537 + ... + 109503.

Almost surely, 2^738641340 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 738641340, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1217448960).

738641340 is an abundant number, since it is smaller than the sum of its proper divisors (1696256580).

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

738641340 is a wasteful number, since it uses less digits than its factorization.

738641340 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7032 (or 7027 counting only the distinct ones).

The product of its (nonzero) digits is 48384, while the sum is 36.

The square root of 738641340 is about 27177.9568768515. The cubic root of 738641340 is about 903.9502658179.

The spelling of 738641340 in words is "seven hundred thirty-eight million, six hundred forty-one thousand, three hundred forty".