47865774 has 32 divisors (see below), whose sum is σ = 104696064. Its totient is φ = 14468480.

The previous prime is 47865773. The next prime is 47865799. The reversal of 47865774 is 47756874.

47865774 = T₆₇ + T₆₈ + ... + T₆₅₉.

It is a super-2 number, since 2×47865774² = 4582264641238152, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (47865773) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 38527 + ... + 39749.

It is an arithmetic number, because the mean of its divisors is an integer number (3271752).

Almost surely, 2^47865774 is an apocalyptic number.

47865774 is an abundant number, since it is smaller than the sum of its proper divisors (56830290).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

47865774 is a wasteful number, since it uses less digits than its factorization.

47865774 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1832.

The product of its digits is 1317120, while the sum is 48.

The square root of 47865774 is about 6918.5095215660. The cubic root of 47865774 is about 363.0850456048.

Subtracting from 47865774 its reverse (47756874), we obtain a square (108900 = 330²).

It can be divided in two parts, 478657 and 74, that added together give a triangular number (478731 = T₉₇₈).

The spelling of 47865774 in words is "forty-seven million, eight hundred sixty-five thousand, seven hundred seventy-four".