72529354 has 4 divisors (see below), whose sum is σ = 108794034. Its totient is φ = 36264676.

The previous prime is 72529343. The next prime is 72529381. The reversal of 72529354 is 45392527.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 45392527 = 3499 ⋅12973.

It can be written as a sum of positive squares in only one way, i.e., 42575625 + 29953729 = 6525^2 + 5473^2 .

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 18132337 + ... + 18132340.

Almost surely, 2^72529354 is an apocalyptic number.

72529354 is a deficient number, since it is larger than the sum of its proper divisors (36264680).

72529354 is a wasteful number, since it uses less digits than its factorization.

72529354 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 36264679.

The product of its digits is 75600, while the sum is 37.

The square root of 72529354 is about 8516.4167347541. The cubic root of 72529354 is about 417.0338138498.

The spelling of 72529354 in words is "seventy-two million, five hundred twenty-nine thousand, three hundred fifty-four".