34950721 has 12 divisors (see below), whose sum is σ = 38378028. Its totient is φ = 31809024.

The previous prime is 34950703. The next prime is 34950739. The reversal of 34950721 is 12705943.

It is an interprime number because it is at equal distance from previous prime (34950703) and next prime (34950739).

It can be written as a sum of positive squares in 6 ways, for example, as 5574321 + 29376400 = 2361^2 + 5420^2 .

It is not a de Polignac number, because 34950721 - 2¹¹ = 34948673 is a prime.

It is not an unprimeable number, because it can be changed into a prime (34950821) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 10921 + ... + 13753.

It is an arithmetic number, because the mean of its divisors is an integer number (3198169).

Almost surely, 2^34950721 is an apocalyptic number.

It is an amenable number.

34950721 is a deficient number, since it is larger than the sum of its proper divisors (3427307).

34950721 is a wasteful number, since it uses less digits than its factorization.

34950721 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2932 (or 2919 counting only the distinct ones).

The product of its (nonzero) digits is 7560, while the sum is 31.

The square root of 34950721 is about 5911.9134804224. The cubic root of 34950721 is about 326.9530399822.

The spelling of 34950721 in words is "thirty-four million, nine hundred fifty thousand, seven hundred twenty-one".