745492340 has 48 divisors (see below), whose sum is σ = 1655506944. Its totient is φ = 281529600.

The previous prime is 745492277. The next prime is 745492351. The reversal of 745492340 is 43294547.

It is a junction number, because it is equal to n+sod(n) for n = 745492294 and 745492303.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 10757 + ... + 40083.

It is an arithmetic number, because the mean of its divisors is an integer number (34489728).

Almost surely, 2^745492340 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 745492340, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (827753472).

745492340 is an abundant number, since it is smaller than the sum of its proper divisors (910014604).

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

745492340 is a wasteful number, since it uses less digits than its factorization.

745492340 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 29408 (or 29406 counting only the distinct ones).

The product of its (nonzero) digits is 120960, while the sum is 38.

The square root of 745492340 is about 27303.7056093124. The cubic root of 745492340 is about 906.7364238308.

The spelling of 745492340 in words is "seven hundred forty-five million, four hundred ninety-two thousand, three hundred forty".