72154034 has 16 divisors (see below), whose sum is σ = 110647296. Its totient is φ = 35280000.

The previous prime is 72154009. The next prime is 72154037. The reversal of 72154034 is 43045127.

It is a super-3 number, since 3×72154034³ (a number of 25 digits) contains 333 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 72153994 and 72154012.

It is not an unprimeable number, because it can be changed into a prime (72154037) 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, 16034 + ... + 20034.

It is an arithmetic number, because the mean of its divisors is an integer number (6915456).

Almost surely, 2^72154034 is an apocalyptic number.

72154034 is a deficient number, since it is larger than the sum of its proper divisors (38493262).

72154034 is a wasteful number, since it uses less digits than its factorization.

72154034 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4201.

The product of its (nonzero) digits is 3360, while the sum is 26.

The square root of 72154034 is about 8494.3530654194. The cubic root of 72154034 is about 416.3132233293.

The spelling of 72154034 in words is "seventy-two million, one hundred fifty-four thousand, thirty-four".