30729054 has 16 divisors (see below), whose sum is σ = 61515648. Its totient is φ = 10233432.

The previous prime is 30729043. The next prime is 30729073. The reversal of 30729054 is 45092703.

It is an alternating number because its digits alternate between odd and even.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 8049 + ... + 11235.

It is an arithmetic number, because the mean of its divisors is an integer number (3844728).

Almost surely, 2^30729054 is an apocalyptic number.

30729054 is an abundant number, since it is smaller than the sum of its proper divisors (30786594).

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

30729054 is a wasteful number, since it uses less digits than its factorization.

30729054 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4799.

The product of its (nonzero) digits is 7560, while the sum is 30.

The square root of 30729054 is about 5543.3792942572. The cubic root of 30729054 is about 313.2201766841.

The spelling of 30729054 in words is "thirty million, seven hundred twenty-nine thousand, fifty-four".