738751 has 4 divisors (see below), whose sum is σ = 795592. Its totient is φ = 681912.

The previous prime is 738743. The next prime is 738757. The reversal of 738751 is 157837.

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

It is a cyclic number.

It is not a de Polignac number, because 738751 - 2³ = 738743 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (738757) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 28401 + ... + 28426.

It is an arithmetic number, because the mean of its divisors is an integer number (198898).

2⁷³⁸⁷⁵¹ is an apocalyptic number.

738751 is a deficient number, since it is larger than the sum of its proper divisors (56841).

738751 is a wasteful number, since it uses less digits than its factorization.

738751 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 56840.

The product of its digits is 5880, while the sum is 31.

The square root of 738751 is about 859.5062536131. The cubic root of 738751 is about 90.3994997623.

Subtracting from 738751 its sum of digits (31), we obtain a triangular number (738720 = T₁₂₁₅).

The spelling of 738751 in words is "seven hundred thirty-eight thousand, seven hundred fifty-one".