30702054 has 16 divisors (see below), whose sum is σ = 61724592. Its totient is φ = 10180608.

The previous prime is 30702047. The next prime is 30702083. The reversal of 30702054 is 45020703.

It is a happy number.

It is a super-2 number, since 2×30702054² = 1885232239637832, which contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 30702054.

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, 12099 + ... + 14414.

It is an arithmetic number, because the mean of its divisors is an integer number (3857787).

Almost surely, 2^30702054 is an apocalyptic number.

30702054 is an abundant number, since it is smaller than the sum of its proper divisors (31022538).

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

30702054 is a wasteful number, since it uses less digits than its factorization.

30702054 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 26711.

The product of its (nonzero) digits is 840, while the sum is 21.

The square root of 30702054 is about 5540.9434214762. The cubic root of 30702054 is about 313.1284131165.

Adding to 30702054 its reverse (45020703), we get a palindrome (75722757).

The spelling of 30702054 in words is "thirty million, seven hundred two thousand, fifty-four".