901738745 has 4 divisors (see below), whose sum is σ = 1082086500. Its totient is φ = 721390992.

The previous prime is 901738741. The next prime is 901738751. The reversal of 901738745 is 547837109.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 509540329 + 392198416 = 22573^2 + 19804^2 .

It is a cyclic number.

It is not a de Polignac number, because 901738745 - 2² = 901738741 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 901738696 and 901738705.

It is not an unprimeable number, because it can be changed into a prime (901738741) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 90173870 + ... + 90173879.

It is an arithmetic number, because the mean of its divisors is an integer number (270521625).

Almost surely, 2^901738745 is an apocalyptic number.

It is an amenable number.

901738745 is a deficient number, since it is larger than the sum of its proper divisors (180347755).

901738745 is a wasteful number, since it uses less digits than its factorization.

901738745 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 180347754.

The product of its (nonzero) digits is 211680, while the sum is 44.

The square root of 901738745 is about 30028.9651003827. The cubic root of 901738745 is about 966.1107401333.

The spelling of 901738745 in words is "nine hundred one million, seven hundred thirty-eight thousand, seven hundred forty-five".