72051846 has 16 divisors (see below), whose sum is σ = 147170304. Its totient is φ = 23506184.

The previous prime is 72051841. The next prime is 72051869. The reversal of 72051846 is 64815027.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (72051841) 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, 127470 + ... + 128033.

It is an arithmetic number, because the mean of its divisors is an integer number (9198144).

Almost surely, 2^72051846 is an apocalyptic number.

72051846 is an abundant number, since it is smaller than the sum of its proper divisors (75118458).

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

72051846 is a wasteful number, since it uses less digits than its factorization.

72051846 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 255555.

The product of its (nonzero) digits is 13440, while the sum is 33.

The square root of 72051846 is about 8488.3358793111. The cubic root of 72051846 is about 416.1165962314.

It can be divided in two parts, 720 and 51846, that multiplied together give a triangular number (37329120 = T₈₆₄₀).

The spelling of 72051846 in words is "seventy-two million, fifty-one thousand, eight hundred forty-six".