34721554 has 32 divisors (see below), whose sum is σ = 61497216. Its totient is φ = 14394240.

The previous prime is 34721551. The next prime is 34721563. The reversal of 34721554 is 45512743.

It is not an unprimeable number, because it can be changed into a prime (34721551) 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 15 ways as a sum of consecutive naturals, for example, 82264 + ... + 82684.

It is an arithmetic number, because the mean of its divisors is an integer number (1921788).

Almost surely, 2^34721554 is an apocalyptic number.

34721554 is a deficient number, since it is larger than the sum of its proper divisors (26775662).

34721554 is a wasteful number, since it uses less digits than its factorization.

34721554 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 610.

The product of its digits is 16800, while the sum is 31.

The square root of 34721554 is about 5892.4998090793. The cubic root of 34721554 is about 326.2368772827.

The spelling of 34721554 in words is "thirty-four million, seven hundred twenty-one thousand, five hundred fifty-four".