72034051 has 4 divisors (see below), whose sum is σ = 72077032. Its totient is φ = 71991072.

The previous prime is 72034037. The next prime is 72034063. The reversal of 72034051 is 15043027.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 15043027 = 61 ⋅246607.

It is a cyclic number.

It is not a de Polignac number, because 72034051 - 2¹³ = 72025859 is a prime.

It is a super-3 number, since 3×72034051³ (a number of 25 digits) contains 333 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (72034021) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 18870 + ... + 22363.

It is an arithmetic number, because the mean of its divisors is an integer number (18019258).

Almost surely, 2^72034051 is an apocalyptic number.

72034051 is a deficient number, since it is larger than the sum of its proper divisors (42981).

72034051 is a wasteful number, since it uses less digits than its factorization.

72034051 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 42980.

The product of its (nonzero) digits is 840, while the sum is 22.

The square root of 72034051 is about 8487.2876114811. The cubic root of 72034051 is about 416.0823366210.

Adding to 72034051 its reverse (15043027), we get a palindrome (87077078).

The spelling of 72034051 in words is "seventy-two million, thirty-four thousand, fifty-one".