745225437 has 16 divisors (see below), whose sum is σ = 1091246400. Its totient is φ = 448617600.

The previous prime is 745225427. The next prime is 745225457. The reversal of 745225437 is 734522547.

It is not a de Polignac number, because 745225437 - 2¹² = 745221341 is a prime.

It is a super-3 number, since 3×745225437³ (a number of 28 digits) contains 333 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 745225395 and 745225404.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (745225417) 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, 70864 + ... + 80697.

It is an arithmetic number, because the mean of its divisors is an integer number (68202900).

Almost surely, 2^745225437 is an apocalyptic number.

It is an amenable number.

745225437 is a deficient number, since it is larger than the sum of its proper divisors (346020963).

745225437 is a wasteful number, since it uses less digits than its factorization.

745225437 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 151724.

The product of its digits is 235200, while the sum is 39.

The square root of 745225437 is about 27298.8175018626. The cubic root of 745225437 is about 906.6282002465.

The spelling of 745225437 in words is "seven hundred forty-five million, two hundred twenty-five thousand, four hundred thirty-seven".