748651 has 4 divisors (see below), whose sum is σ = 761400. Its totient is φ = 735904.

The previous prime is 748639. The next prime is 748669. The reversal of 748651 is 156847.

748651 is nontrivially palindromic in base 16.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 156847 = 67 ⋅2341.

It is a cyclic number.

It is not a de Polignac number, because 748651 - 2⁷ = 748523 is a prime.

It is a Duffinian number.

748651 is a lucky number.

It is not an unprimeable number, because it can be changed into a prime (748691) 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, 6286 + ... + 6403.

It is an arithmetic number, because the mean of its divisors is an integer number (190350).

2⁷⁴⁸⁶⁵¹ is an apocalyptic number.

748651 is a deficient number, since it is larger than the sum of its proper divisors (12749).

748651 is a wasteful number, since it uses less digits than its factorization.

748651 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 12748.

The product of its digits is 6720, while the sum is 31.

The square root of 748651 is about 865.2462077351. The cubic root of 748651 is about 90.8015237119.

The spelling of 748651 in words is "seven hundred forty-eight thousand, six hundred fifty-one".