28474767 has 8 divisors (see below), whose sum is σ = 42184880. Its totient is φ = 18983160.

The previous prime is 28474751. The next prime is 28474777. The reversal of 28474767 is 76747482.

It is not a de Polignac number, because 28474767 - 2⁴ = 28474751 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 (28474717) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 527284 + ... + 527337.

It is an arithmetic number, because the mean of its divisors is an integer number (5273110).

Almost surely, 2^28474767 is an apocalyptic number.

28474767 is a gapful number since it is divisible by the number (27) formed by its first and last digit.

28474767 is a deficient number, since it is larger than the sum of its proper divisors (13710113).

28474767 is a wasteful number, since it uses less digits than its factorization.

28474767 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1054630 (or 1054624 counting only the distinct ones).

The product of its digits is 526848, while the sum is 45.

The square root of 28474767 is about 5336.1753157107. The cubic root of 28474767 is about 305.3655636424.

It can be divided in two parts, 28474 and 767, that added together give a square (29241 = 171²).

The spelling of 28474767 in words is "twenty-eight million, four hundred seventy-four thousand, seven hundred sixty-seven".