748421847 has 12 divisors (see below), whose sum is σ = 1081633800. Its totient is φ = 498680208.

The previous prime is 748421819. The next prime is 748421857. The reversal of 748421847 is 748124847.

It is not a de Polignac number, because 748421847 - 2¹⁰ = 748420823 is a prime.

It is a super-2 number, since 2×748421847² = 1120270522133782818, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (748421857) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 3793 + ... + 38874.

It is an arithmetic number, because the mean of its divisors is an integer number (90136150).

Almost surely, 2^748421847 is an apocalyptic number.

748421847 is a deficient number, since it is larger than the sum of its proper divisors (333211953).

748421847 is a wasteful number, since it uses less digits than its factorization.

748421847 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 44622 (or 44619 counting only the distinct ones).

The product of its digits is 401408, while the sum is 45.

The square root of 748421847 is about 27357.2997022732. The cubic root of 748421847 is about 907.9225835107.

The spelling of 748421847 in words is "seven hundred forty-eight million, four hundred twenty-one thousand, eight hundred forty-seven".